Question: A bank wants to estimate the proportion of people who
A bank wants to estimate the proportion of people who would agree to take a credit card they offer if they send a particular mailing advertising it. For a trial mailing to a random sample of 100 potential customers, 0 people accept the offer. Can they conclude that fewer than 10% of their population of potential customers would take the credit card? Answer by finding an appropriate 95% confidence interval.
Answer to relevant QuestionsRefer to Example 12 about weight readings of a scale. For 10 successive trials on the next day, the weight values were Explain the steps of how you could use the bootstrap method to get a 95% confidence interval for a ...A poll of a random sample of n = 2000 Americans by the Pew Research Center (www.peoplepress.org ) indicated that 36% considered themselves “born-again” or evangelical Christians. How would you explain to someone who has ...A report in 2004 by the U.S. National Center for Health Statistics provided an estimate of 20.4% for the percentage of Americans over the age of 18 who were currently smokers. The sample size was 30,000. Assuming that this ...Refer to the previous exercise. Interpret each item on the following printout that software reports for psychologists with a doctorate but with less than one year of experience. In response to the statement on a recent General Social Survey, “A preschool child is likely to suffer if his or her mother works,” suppose the response categories (strongly agree, agree, disagree, strongly disagree) had ...
Post your question