Question The mean height of women in a country (ages 20-29) is 64.1 inches. A random sample of 55 women women in this age group is selected. What is the probability that the mean height for the sample is greater than 65 inches? Assume σ=2.54 Looking for a Similar Assignment? Order now and Get 10% Discount! Use […]
Question A manufacturer claims that the life span of its tires is 47,000 miles. You work for a consumer protection agency and you are testing these tires. Assume the life spans of the tires are normally distributed. You select 100 tires at random and test them. The mean life span is 46,811 miles. Assume σ=800. Assuming the manufacturer’s claim is correct, […]
Question Find the margin of error for the given values of c, σ,and n. c=.95 σ=2.6 n=49 Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”
Question Use the confidence interval to find the margin of error and the sample mean.(0.092,0.250) Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”
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