DeVry University, Keller Graduate School of Management_MATH 221Week 2 quiz (Latest 2022/2023)

Question 1 2 / 2 pts (CO 2) A random number generator is used to select a number from 1 to 100. What is the probability of selecting an odd number? 0.077 0.050Correct! 0.500 0.250 Question 2 2 / 2 pts (CO 2) What is the sample space of rolling two four-sided die? 1, 2, 3, 4Correct! (1,2)(1,3)(1,4)(2,2)(2,3)(2,4)(3,4)(4,4) (1, 1, 2, 2, 3, 3, 4, 4) (1,1)(2,2)(3,3)(4,4) Question 3 0 / 2 pts (CO 2) Consider the table below Response (number of cats owned) Frequency None 659 One 329 Two 52 Three 13 Four or more 8 What is the probability that the next person asked has four or more cats? Less than 1% A little more than 1%You Answered 31% 5%Question 4 2 / 2 pts (CO 2) Consider the table below Age Group Frequency 5410 70 and over 5279 What is the probability that the next person chosen will be in the 18-29 or 30-39 age groups? 18.9% 37.8% 23.7%Correct! 42.5% Question 5 2 / 2 pts (CO 2) When children roll a die for a game, their probability of rolling a 5 is 17%. This is an example of which type of probability? Subjective probability Public probability! Classical probability Empirical probability Question 6 0 / 2 pts (CO 2) Consider the table below. Age Group Frequency 70 and over 5279 What is the complement of P(30-49), or P(30-49’)? You Answered 35.4% 76.3% 64.6% 18.9% Question 7 2 / 2 pts (CO 2) You are selling your product at a three-day event. Each day, there is a 60% chance that you will make money. What is the probability that you will make money on the first two days and lose money on the third day? 0.216 0.288Correct! 0.144 0.096 Multiplication rule Question 8 0 / 2 pts (CO 2) Consider the table below. Profit Loss Total Urban location 50 38 88 Rural location 61 84 125 Total Find the probability that a randomly selected location is in a rural location, given that it is profitable. 45.7%You Answered48.8% 55.0% 51.4% Conditional probability Question 9 2 / 2 pts (CO 2) Consider the table below. Production location Correct Defective Total East West North South Total Find the probability that a randomly selected product is defective, given that it is from the East production facility. 87.2%rect! 10.7% 12.1% 12.8% Conditional probability Question 10 0 / 2 pts (CO 2) Classify these events. Selecting a king from a deck of cards, replacing it and selecting a queen from the same deck. These events would be considered: Subjective Independent Empirical Answered DependentQuestion 11 2 / 2 pts (CO 2) Classify these events. Some businesses paint the outside of their buildings red while some businesses offer employees health benefits. These events would be considered: Dependent Subjective ClassicalCorrect! Independent Question 12 0 / 2 pts (CO 2) In a survey of 352 customers, 81 say that service is poor. You select two customers without replacement to get more information on their satisfaction. What is the probability that both say service is poor? You Answered 5.30% 22.8% 5.24% 23.01% Question 13 2 / 2 pts (CO 2) Randomly select a customer that takes the bus to our store. Randomly select a customer that is a teenager. Are these events mutually exclusive? Mutually exclusive eventst! Non-mutually exclusive events Question 14 0 / 2 pts (CO 2) Two cards are selected without replacement from a standard deck of 52 cards. Find the probability of selecting a heart and then selecting a diamond.0.0588 0.0637 0.0625 0.0250 Question 15 0 / 2 pts (CO 2) Two cards are selected with replacement from a standard deck of 52 cards. Find the probability of selecting a heart and then selecting a diamond. 0.0625You Answered 0.0250 0.0637 0.0588 Question 16 2 / 2 pts (CO 2) The probability of a golden retriever catching a tennis ball in mid-air is 81%. Find the probability that a golden retriever catches three tennis balls in mid-air. Correct! 0.5314 0.4052 0.6561 0.5119 Question 17 2 / 2 pts (CO 2) A statistics class has 50 students and among those students, 42 are business majors and 8 like grilled cheese. Of the business majors, 7 like grilled cheese. Find the probability that a randomly selected statistics student is a business major or likes grilled cheese. 0.840.98ect! 0.86 0.94 Question 18 2 / 2 pts (CO 2) The probability of a stock making money in the next year is 55%. What is the probability of the complement of that event? Correct! 0.45 0.40 cannot be determined 0.55Question 1 0 / 2 pts (CO 2) A random selection from a deck of cards selects one card. What is the probability of selecting a spade? 0.050 0.025 0.250You Answered 0.077 Question 2 2 / 2 pts (CO 2) What is the sample space to responses to a question whose answers are Up, Down, Left, or Right along with a question on preference between Blue and Red? Correct! (Up, Blue)(Up, Red)(Down, Blue)(Down, Red)(Left, Blue)(Left, Red)(Right, Blue) (Right, Red) (Up, Down, Left, Right, Blue, Red) (Up, Blue)(Up, Blue)(Down, Blue)(Down, Blue)(Left, Blue)(Left, Blue)(Right, Blue) (Right, Blue) (Up, Up)(Down, Down)(Left, Left)(Right, Right)(Blue, Blue)(Red, Red) Question 3 2 / 2 pts (CO 2) Consider the table below Response (number of cats owned) Frequency None 659 One 329 Two 52 Three 13 Four or more 8 What is the probability that the next person asked has four or more cats? 5%A little more than 1% 31%Correct! Less than 1% Question 4 2 / 2 pts (CO 2) Consider the table below Age Group Frequency 5410 70 and over 5279 What is the probability that the next person chosen will be in the 50-59 or 60-69 age groups? 23.7%Correct! 28.2% 42.5% 31.7% Question 5 2 / 2 pts (CO 2) Based on the CEO’s perception, a company estimates that a new product will be purchased by 32% of current customers. This is an example of which type of probability? Correct! Subjective probability Public probability Classical probability Empirical probabilityQuestion 6 0 / 2 pts (CO 2) Consider the table below. Age Group Frequency 5410 70 and over 5279 What is the complement of P(40-59), or P(40-59’)? 68.3%You Answered 31.7% 71.8% 64.6% Question 7 2 / 2 pts (CO 2) You are selling your product at a three-day event. Each day, there is a 60% chance that you will make money. What is the probability that you will make money all three days? 0.144Correct! 0.216 0.288 0.096 Multiplication rule Question 8 0 / 2 pts (CO 2) Consider the table below. Profit Loss Total Urban location 50 38 88 Rural location 61 84 125Total Find the probability that a randomly selected location is going to be profitable, given that it is in an urban location. You Answered 36.2% 56.8% 48.8% 51.4% Conditional probability Question 9 2 / 2 pts (CO 2) Consider the table below. Production location Correct Defective Total East West North South Total Find the probability that a randomly selected product is defective, given that it is from the East production facility. 12.8% Correct! 10.7% 87.2% 12.1% Conditional probability Question 10 2 / 2 pts(CO 2) Classify these events. Selecting a king from a deck of cards, replacing it and selecting another king from the same deck. These events would be considered: Correct! Independent Empirical Subjective Dependent Question 11 2 / 2 pts (CO 2) Classify these events. Some customers purchase lots of items and some customers use shopping carts. These events would be considered: Subjective Independent Dependent Classical Question 12 2 / 2 pts (CO 2) In a survey of 331 customers, 66 say that service is poor. You select two customers without replacement to get more information on their satisfaction. What is the probability that both say service is poor? 4.00% 3.88% 19.70%Correct! 3.93% Multiplication rule Question 13 0 / 2 pts (CO 2) Randomly select a customer that purchases tofu. Randomly select a customer that purchases chicken. Are these events mutually exclusive?Correct Answer Non-mutually exclusive events Answered Mutually exclusive events Question 14 2 / 2 pts (CO 2) Two cards are selected without replacement from a standard deck of 52 cards. Find the probability of selecting a jack and then selecting a queen. 0.0769 0.0044 0.0059 0.0060 Question 15 0 / 2 pts (CO 2) Two cards are selected with replacement from a standard deck of 52 cards. Find the probability of selecting a 4 and then selecting a 5. You Answered 0.0060 0.0769 0.0059 0.0044 Question 16 2 / 2 pts (CO 2) The probability of a golden retriever catching a tennis ball in mid-air is 81%. Find the probability that a golden retriever catches three tennis balls in mid-air. 0.6561 0.5119 0.4052Correct!0.5314 Question 17 2 / 2 pts (CO 2) A statistics class has 50 students and among those students, 42 are business majors and 8 like grilled cheese. Of the business majors, 7 like grilled cheese. Find the probability that a randomly selected statistics student is a business major or likes grilled cheese. 0.84 Correct! 0.86 0.94 0.98 Question 18 2 / 2 pts (CO 2) The probability of a team winning its next game is 48%. The probability of losing its next game would be called the: conditional probability multiplication rule Empirical ruleCorrect! complement of winning Score for this attempt: 24 out of 36 Submitted Jul 16 at 1:58pm This attempt took 31 minutes. Question 1 2 / 2 pts (CO 2) A random number generator is used to select a number from 1 to 100. What is the probability of selecting an even number? Correct! 0.50 0.0050.95 0.25 Question 2 0 / 2 pts (CO 2) What is the sample space to responses to a question whose answers are Yes or No, along with a question on location with possible answers of North, South, East, or West? (Yes, Yes)(No, No)(North, North)(South, South)(East, East)(West, West) (Yes, North)(Yes, South)(Yes, East)(Yes, West)(No, North)(No, South)(No, East)(No, West) You Answered (Yes, North)(Yes, South)(Yes, East)(Yes, West)(Yes, No)(No, North)(No, South)(No, East)(No, West) (Yes, No, North, South, East, West) Question 3 2 / 2 pts (CO 2) Consider the table below Response (number of cats owned) Frequency None 659 One 329 Two 52 Three 13 Four or more 8 What is the probability that the next person asked has no cats? 31%Correct! 62% 50% 5% Question 4 2 / 2 pts(CO 2) Consider the table below Age Group Frequency 5410 70 and over 5279 What is the probability that the next person chosen will be in the 18-29 or 30-39 age groups? 18.9% 23.7%Correct! 42.5% 37.8% Question 5 0 / 2 pts (CO 2) Based on past experience, it is estimated that a restaurant will serve 122 guests on a weekday evening. This is an example of which type of probability? Public probability Empirical probability Subjective probabilityYou Answered Classical probability Question 6 0 / 2 pts (CO 2) Consider the table below. Age Group Frequency 5410 70 and over 5279What is the complement of P(50-69), or P(50-69’)? 68.3% 71.8% 76.3%You Answered 64.6% Question 7 2 / 2 pts (CO 2) You are selling your product at a three-day event. Each day, there is a 60% chance that you will make money. What is the probability that you will make money all three days? Correct! 0.216 0.096 0.144 0.288 Multiplication rule Question 8 2 / 2 pts (CO 2) Consider the table below. Profit Loss Total Urban location 50 38 88 Rural location 61 84 125 Total Find the probability that a randomly selected location is in an urban location, given that it is operating a loss. Correct! 28.8% 36.2% 48.8%55.0% Conditional probability. Question 9 2 / 2 pts (CO 3) Consider the table below. Production location Correct Defective Total East West North South Total Find the probability that a randomly selected product is from the North, given that it is correct. Correct! 36.4% 88.9% 12.1% 87.2 % Conditional probability Question 10 0 / 2 pts (CO 2) Classify these events. Selecting a king from a deck of cards, keeping it and selecting a queen from the same deck. These events would be considered: You Answered Independent Empirical Subjective DependentQuestion 11 2 / 2 pts (CO 2) Classify these events. Some customers purchase lots of items and some customers use shopping carts. These events would be considered: SubjectiveCorrect! Dependent Classical Independent Question 12 2 / 2 pts (CO 2) In a survey of 331 customers, 66 say that service is poor. You select two customers without replacement to get more information on their satisfaction. What is the probability that both say service is poor? 4.00% 19.70%Correct! 3.93% 3.88% Multiplication rule Question 13 2 / 2 pts (CO 2) Randomly select a customer that takes the bus to our store. Randomly select a customer that is a teenager. Are these events mutually exclusive? Mutually exclusive eventsCorrect! Non-mutually exclusive events Question 14 2 / 2 pts (CO 2) Two cards are selected without replacement from a standard deck of 52 cards. Find the probability of selecting a heart and then selecting a diamond.0.0625 0.0588ct! 0.0637 0.0250 Question 15 0 / 2 pts (CO 2) Two cards are selected with replacement from a standard deck of 52 cards. Find the probability of selecting a jack and then selecting a queen. 0.00440ou Answered 0.0060 0.0059 0.0769 Question 16 2 / 2 pts (CO 2) The probability of a golden retriever catching a tennis ball in mid-air is 78%. Find the probability that a golden retriever catches three tennis balls in mid-air. 0.4565 0.6084 0.7878orrect! 0.4746 Question 17 2 / 2 pts (CO 2) A statistics class has 50 students and among those students, 42 are business majors and 8 like grilled cheese. Of the business majors, 3 like grilled cheese. Find the probability that a randomly selected statistics student is a business major or likes grilled cheese. 0.84 0.960.19Correct! 0.94 Question 18 0 / 2 pts (CO 2) The probability of someone eating 2 or fewer apples in one day is 85%. What would