Milestone 3.docx
1
What is the probability of NOT drawing a face card from a standard deck of 52 cards?
2
A bag holds 20 red marbles and
... [Show More] 40 green ones, for a total of 60 marbles. Ryan picks one marble from the bag at random, hoping to pick a red marble.
Which of the following statements is true?
3
For a math assignment, Michelle rolls a set of three standard dice at the same time and notes the results of each trial.
What is the total number of outcomes for each trial?
4
John makes random guesses on his multiple-choice test, which has five options for each question. Let the random variable X be the number of guesses taken before guessing correctly.
Assuming the guesses are independent, find the probability that he doesn't guess correctly until his 6th guess.
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5
Which of the following is an example of a false positive?
6
A credit card company surveys 125 of its customers to ask about satisfaction with customer service. The results of the survey, divided by gender, are shown below.
If a survey is selected at random, what is the probability that the person is a female with neutral feelings about customer service? Answer choices are rounded to the hundredths place.
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7
Mark looked at the statistics for his favorite baseball player, Jose Bautista. Mark looked at seasons when Bautista played 100 or more games and found that Bautista's probability of hitting a home run in a game is 0.173.
If Mark uses the normal approximation of the binomial distribution, what will be the variance of the number of home runs Bautista is projected to hit in 100 games? Answer choices are rounded to the tenths place.
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8
Using the Venn Diagram below, what is the conditional probability of event A occurring, assuming that event B has already occurred [P(A|B)]?
9
Three hundred students in a school were asked to select their favorite fruit from a choice of apples, oranges, and mangoes. This table lists the results.
Boys Girls
Apple 66 46
Orange 52 41
Mango 40 55
If you were to choose a boy from the group, what is the probability that mangoes are his favorite fruit? Answer choices are rounded to the hundredths place. [Show Less]