For which of the sample sizes given in Exercise 8.23 would the sampling distribution of p^ be approximately normal if p = .65? if p = .2?
Answer to relevant QuestionsThe article “Unmarried Couples More Likely to Be Interracial” (San Luis Obispo Tribune, March 13, 2002) reported that 7% of married couples in the United States are mixed racially or ethnically. Consider the population ...For each of the following statements, identify the number that appears in boldface type as the value of either a population characteristic or a statistic: a. A department store reports that 84% of all customers who use the ...Newsweek (November 23, 1992) reported that 40% of all U.S. employees participate in “self-insurance” health plans (p = .40). a. In a random sample of 100 employees, what is the approximate probability that at least half ...The use of the interval requires a large sample. For each of the following combinations of n and p^, indicate whether the sample size is large enough for use of this interval to be appropriate. a. n = 50 and p^ = .30 b. n = ...The article “Students Increasingly Turn to Credit Cards” (San Luis Obispo Tribune, July 21, 2006) reported that 37% of college freshmen and 48% of college seniors carry a credit card balance from month to month. Suppose ...
Post your question