Mathematics, 10.12.2019 01:31, kamjay2006
In a smoking survey among boys between the ages of 12 and 17, 78% prefer to date nonsmokers, 1% prefer to date smokers, and 21% don’t care. suppose seven such boys are selected randomly. let x equal the number who prefer to date nonsmokers and y equal the number who prefer to date smokers. (a) determine the joint pmf of x and y. be sure to include the support of the pmf. (b) find the marginal pmf of x. again include the support.
Answers: 1
Mathematics, 21.06.2019 18:50, anthonylemus36
Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens
Answers: 1
Mathematics, 21.06.2019 19:00, ashrobbb
The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean
Answers: 3
Mathematics, 21.06.2019 19:00, ALEXMASTERS64
Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?
Answers: 1
Mathematics, 22.06.2019 00:50, lorraneb31
C. using a standard deck of 52 cards, the probability of selecting a 4 of diamonds or a 4 of hearts is an example of a mutually exclusive event. true of false
Answers: 1
In a smoking survey among boys between the ages of 12 and 17, 78% prefer to date nonsmokers, 1% pref...
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