A telephone survey of American families is conducted to determine the number of children in the average American family. Past experience has shown that 30 of the families who are telephoned will refuse to respond to the survey. Which of the following statements is not a binomial random variable?
a. The number of families out of 50 who respond to the survey.
b. The number of families out of 50 who refuse to respond to the survey.
c. The number of children in a family which responds to the survey.
d. All of these are binomial random variables.
e. None of these is a binomial random variable.
Question 2
In an ANOVA test, the test statistic is F = 6.75 . The rejection region is F > 3.97 for the 5 level of significance, F > 5.29 for the 2.5 level, and F > 7.46 for the 1 level. For this test, the p-value is
a. greater than 0.05
b. between 0.025 and 0.05
c. between 0.01 and 0.025
d. approximately 0.05
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