- Om Question 4 Y For A Confidence Level Of 95 With A Sample Size Of 32 Find The Critical T Value Question 5 Ass 1 (9.43 KiB) Viewed 26 times
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Question 5 > Assume that a sample is used to estimate a population mean . Find the 99.5% confidence interval for a sample of size 63 with a mean of 42.2 and a standard deviation of 20.7. Enter your answer as an open-interval (i.e., parentheses) accurate to one decimal place (because the sample statistics are reported accurate to one decimal place). 99.5% C.I. Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places.
Question 6 In a sample of 130 adults, 98 had children. Construct a 95% confidence interval for the true population proportion of adults with children. Give your answers as decimals, to three places <p<