Find P (– 1 < z <1), P (– 2 < z <2), and P(– 3 < z < 3). How do these values compare with the empirical rule?
Answer to relevant QuestionsFind z0 such that P ( – 1.2 < z < z0) = 0.8671. Between z = 0 and z = 1.77 Find the area under the standard normal distribution curve. The average fuel efficiency of U.S. light vehicles (cars, SUVs, minivans, vans, and light trucks) for 2005 was 21 mpg. If the standard deviation of the population was 2.9 and the gas ratings were normally distributed, what ...The average annual precipitation for a large Midwest City is 30.85 inches with a standard deviation of 3.6 inches. Assume the variable is normally distributed. a. Find the probability that a randomly selected month will have ...In Exercise 29, what size sample is needed to cut the standard error of the mean in half?
Post your question