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A recent survey of 1000 American women between the ages of 45 and 64 asked them what medical condition they most feared. Of those
A recent survey of 1000 American women between the ages of 45 and 64 asked them what medical condition they most feared. Of those sampled, 61% said breast cancer, 8% said heart disease, and the rest picked other conditions. By contrast, currently about 3% of female deaths are due to breast cancer, whereas 32% are due to heart disease. Complete parts a and b below. a. Construct a 90% confidence interval for the population proportion of women who most feared breast cancer. Interpret We can be 90 % confident that the interval (0.614 to 0.055 contains the population proportion of women who most fear breast cancer (Type integers or decimals rounded to three decimal places as needed.) STA 215: Questions: 14,15 #14 Parts A-B #15 Parts A-B #15 part b- explain whether the interval (a) would be wider or narrower than a 95% confidence interval for the population proportion who would say yes. A survey asks, "If the husband in a family wants children, but the wife decides that she does not want any children, is it all right for the wife to refuse to have children?" Of 746 subjects, 588 said yes a. Find a 99% confidence interval for the population proportion who would say yes. OD (Round to four decimal places as needed.) wwwww
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