Mathematics, 01.11.2019 06:31 hokamidat
Binge drinking is defined by the u. s. department of health and human services as the consumption of 5 or more drinks in a row for men and 4 or more for women. in a recent study of 400 college students, 181 of them reported to have engaged in binge drinking in the past two weeks. the report concluded that half of all college students binge drink. test this claim at the 0.10 significance level. construct a 95% confidence interval for the proportion of college students who binge drink (hint: you will need to look back at chapter 7 to answer this question).
(a) what is the critical value for z for this confidence interval?
(b) calculate the margin of error?
(c) determine the confidence interval?
Answers: 2
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Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.
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Mathematics, 21.06.2019 23:30
Side xy of triangle xyz is extended to point w, creating a linear pair with ∠wyz and ∠xyz. measure of an exterior angle what is the value of x? 64 80 100 180
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Binge drinking is defined by the u. s. department of health and human services as the consumption of...
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