Answer these questions as soon as possible that is attached.?
14. According to records, the amount of precipitation in a certain city on a November day has a mean of inches, with a standard deviation of probability that the mean daily precipitation will be sample of inches. What is the inches or more for a random November days (taken over many years)? Carry your intermediate computations to at least four decimal places. Round your answer to at least three decimal places. 15. Let be a standard normal random variable. Use the calculator provided to determine the value of such that . Carry your intermediate computations to at least four decimal places. Round your answer to at least two decimal places. 16. The mean diastolic blood pressure for a random sample of 60people was 81millimeters of mercury. If the standard deviation of individual blood pressure readings is known to be 8millimeters of mercury, find a 90%confidence interval for the true mean diastolic blood pressure of all people. Then complete the table below
Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. (If necessary, consult a list of formulas.) What is the lower limit of the 90%confidence interval?
What is the upper limit of the 90%confidence interval 17. Use the calculator provided to solve the following problems. Consider a t distribution with degrees of freedom. Compute Round your answer to at least three decimal places. Consider a t distribution with that places. . degrees of freedom. Find the value of such . Round your answer to at least three decimal P (t?1.38)
C= 18. In a recent study, males used a new weight?loss supplement, and experienced weight loss after two weeks. In the same study, same supplement, and of them females used the of them experienced weight loss after two weeks. Fill in the blanks of the statement below to make the statement the most reasonable possible. Male _____ or Female_____ on in the study because only The new weight?loss supplement was more effective
_____% of them failed to lose weight after two weeks, whereas________% Of the Male______ or Female_____ failed to lose weight after two weeks.
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