Mathematics, 17.12.2019 20:31, lindalu

In a study of mp3 player popularity, 22% of people in a random sample of 1100 americans age 12 and older indicated that they owned an mp3 player. the owners were 26% of the males and 18% of the females. suppose that there were the same number of males and females in the sample of 1100. (use a statistical computer package to calculate the p-value. round your test statistic to two decimal places and your p-value to four decimal places.)

z =

p =

do these data provide convincing evidence that the proportion of females that owned an mp3 player is smaller than the corresponding proportion of males? carry out a test using a significance level of 0.01.

yes

no

Answers: 2

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In a study of mp3 player popularity, 22% of people in a random sample of 1100 americans age 12 and o...