You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the
confidence intervals.
From a random sample of 49 business days, the mean closing price of a certain stock was $127.89. Assume the
population standard deviation is $11.55.

5+2x=a

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i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.

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blogan.20174

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168