Mathematics, 31.07.2020 21:01 feliciagraham14
In a random sample of high school seniors, the proportion who used text messaging was 0.88. In a random sample of high school freshmen, this proportion was 0.68. Researchers found the difference in proportions to be statistically significant and obtained one of the following numbers for the p-value. Which is it?
a. 1.5
b. 0.02
c. 0.78
d. 0.30
Answers: 2
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In a random sample of high school seniors, the proportion who used text messaging was 0.88. In a ran...
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