Among 34- to 39-year-olds, 32% say they have driven while under the influence of alcohol. Suppose that seven 34- to 39-year-olds are selected at random. a)What is the probability that all seven have driven while under the influence of alcohol?

(b) What is the probability that at least one has not driven while under the influence of alcohol?

(c) What is the probability that none of the seven has driven while under the influence of alcohol?

(d) What is the probability that at least one has driven while under the influence of alcohol?

Find the x coordinate of the point.

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?

What is number 31 as a sum of tens and ones?