1/28/2021 M4: Problem Set 2: Introduction to Statistics- Lagios
M4: Problem Set 2
Due No due date Points 0 Questions 4 Time Limit None
This quiz is currently locked.
Attempt History
Attempt Time Score
LATEST Attempt 1 35 minutes 0 out of 0
Score for this quiz: 0 out of 0
Submitted Aug 31, 2020 at 9:46pm
This attempt took 35 minutes.
Question 1 pts
A basketball player makes foul shots 75 % of the time. If she takes 9
shots, what is the probability that she will make exactly 7 shots.
Your Answer:
Solution.
Here we have n=9, x=7, and p=.75.
This study source was downloaded by 100000832361371 from CourseHero.com on 04-14-2022 23:24:51 GMT -05:00
https://portagelearning.instructure.com/courses/169/quizzes/6667?module_item_id=18035 1/5
https://www.coursehero.com/file/79208517/M4-Problem-Set-2-Introduction-to-Statisticspdf/
, 1/28/2021 M4: Problem Set 2: Introduction to Statistics- Lagios
Question 2 pts
A baseball player has a batting average of .211 (in other words, he gets a
hit 21.1 % of the time that he goes up to bat). If he goes up to bat 13
times, what is the probability that he will get exactly 4 hits?
Your Answer:
Solution.
Here we have n=13, x=4, and p=.211.
Question 3 pts
A large shipment of light bulbs has just arrived at a store. It has been
revealed that 17 % of the light bulbs are defective (the other light bulbs
are good). Suppose that you choose 6 light bulbs at random. What is the
probability that 2 or less of the bulbs are defective.
Your Answer:
two defective:
one defective:
This study source was downloaded by 100000832361371 from CourseHero.com on 04-14-2022 23:24:51 GMT -05:00
https://portagelearning.instructure.com/courses/169/quizzes/6667?module_item_id=18035 2/5
https://www.coursehero.com/file/79208517/M4-Problem-Set-2-Introduction-to-Statisticspdf/
M4: Problem Set 2
Due No due date Points 0 Questions 4 Time Limit None
This quiz is currently locked.
Attempt History
Attempt Time Score
LATEST Attempt 1 35 minutes 0 out of 0
Score for this quiz: 0 out of 0
Submitted Aug 31, 2020 at 9:46pm
This attempt took 35 minutes.
Question 1 pts
A basketball player makes foul shots 75 % of the time. If she takes 9
shots, what is the probability that she will make exactly 7 shots.
Your Answer:
Solution.
Here we have n=9, x=7, and p=.75.
This study source was downloaded by 100000832361371 from CourseHero.com on 04-14-2022 23:24:51 GMT -05:00
https://portagelearning.instructure.com/courses/169/quizzes/6667?module_item_id=18035 1/5
https://www.coursehero.com/file/79208517/M4-Problem-Set-2-Introduction-to-Statisticspdf/
, 1/28/2021 M4: Problem Set 2: Introduction to Statistics- Lagios
Question 2 pts
A baseball player has a batting average of .211 (in other words, he gets a
hit 21.1 % of the time that he goes up to bat). If he goes up to bat 13
times, what is the probability that he will get exactly 4 hits?
Your Answer:
Solution.
Here we have n=13, x=4, and p=.211.
Question 3 pts
A large shipment of light bulbs has just arrived at a store. It has been
revealed that 17 % of the light bulbs are defective (the other light bulbs
are good). Suppose that you choose 6 light bulbs at random. What is the
probability that 2 or less of the bulbs are defective.
Your Answer:
two defective:
one defective:
This study source was downloaded by 100000832361371 from CourseHero.com on 04-14-2022 23:24:51 GMT -05:00
https://portagelearning.instructure.com/courses/169/quizzes/6667?module_item_id=18035 2/5
https://www.coursehero.com/file/79208517/M4-Problem-Set-2-Introduction-to-Statisticspdf/
