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1 1.36 points Skipped eBook Find the interval [+ sample is from a normal population. ] within which 95 percent of the sample means would be expected to fall, assuming that each (a) = 196, = 14, n = 33. (Round your answers to 2 decimal places.) The 95% range is from to (b) = 1,430, = 25, n = 9. (Round your answers to 2 decimal places.) The 95% range is from to (c) = 48, = 1, n = 25. (Round your answers to 3 decimal places.) The 95% range is from to 1.36 3 points The highway fuel economy of a 2016 Lexus RX 350 FWD 6-cylinder 3.5-L automatic 5-speed using premium fuel is a normally distributed random variable with a mean of = 26.50 mpg and a standard deviation of = 3.25 mpg. (a) What is the standard error of X, the mean from a random sample of 25 fill-ups by one driver? (Round your answer to 4 decimal places.) Standard error of X (b) Within what interval would you expect the sample mean to fall, with 98 percent probability? (Round your answers to 4 decimal places.) eBook The interval is from to 1 1.36 points Skipped eBook Find the interval [+ sample is from a normal population. ] within which 95 percent of the sample means would be expected to fall, assuming that each (a) = 196, = 14, n = 33. (Round your answers to 2 decimal places.) The 95% range is from to (b) = 1,430, = 25, n = 9. (Round your answers to 2 decimal places.) The 95% range is from to (c) = 48, = 1, n = 25. (Round your answers to 3 decimal places.) The 95% range is from to 1.36 3 points The highway fuel economy of a 2016 Lexus RX 350 FWD 6-cylinder 3.5-L automatic 5-speed using premium fuel is a normally distributed random variable with a mean of = 26.50 mpg and a standard deviation of = 3.25 mpg. (a) What is the standard error of X, the mean from a random sample of 25 fill-ups by one driver? (Round your answer to 4 decimal places.) Standard error of X (b) Within what interval would you expect the sample mean to fall, with 98 percent probability? (Round your answers to 4 decimal places.) eBook The interval is from to
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