Math 110 Exam questions and answers 2025
You have a bag of marbles. There are 3 marbles, 2 green marbles, 7 yellow marbles and 3 blue
marbles. what is the probability of drawing a blue marble?
3+2+7+3=15
3/15=.2
which of the following pairs are independent events?
two coin flips and draw an ace, put it back, then draw an ace again.
you flip a coin three times. Is it more likely to get heads all three times or heads, then tails,
then heads?
They are both equally likely.
Which of the following probabilities can be found using the binomial distribution?
the probability that 3 out of 8 tosses of a coin will result in heads.
the probability that Susan will beat Shannon in two of three tennis matches.
the probability that a student blindly guessing will get at least 8 out of 10 multiple-choice
questions correct.
All of the statements that are true about normal distributions.
they are symmetric around their mean.
the mean, median and mode are equal.
the are under the normal curve is equal to 1.0.
a standard distribution has?
a mean of 0 and a standard deviation of 1.
a number 1.5 standard deviations below the mean has a z-score of ?
-1.5
twenty students from a given school are randomly selected?
You have a bag of marbles. There are 3 marbles, 2 green marbles, 7 yellow marbles and 3 blue
marbles. what is the probability of drawing a blue marble?
3+2+7+3=15
3/15=.2
which of the following pairs are independent events?
two coin flips and draw an ace, put it back, then draw an ace again.
you flip a coin three times. Is it more likely to get heads all three times or heads, then tails,
then heads?
They are both equally likely.
Which of the following probabilities can be found using the binomial distribution?
the probability that 3 out of 8 tosses of a coin will result in heads.
the probability that Susan will beat Shannon in two of three tennis matches.
the probability that a student blindly guessing will get at least 8 out of 10 multiple-choice
questions correct.
All of the statements that are true about normal distributions.
they are symmetric around their mean.
the mean, median and mode are equal.
the are under the normal curve is equal to 1.0.
a standard distribution has?
a mean of 0 and a standard deviation of 1.
a number 1.5 standard deviations below the mean has a z-score of ?
-1.5
twenty students from a given school are randomly selected?