Question: Constructing Confidence Intervals In Exercises 37-40, you are given the sample mean and the sample standard deviation. Use this information to constran the 90%

Constructing Confidence Intervals In Exercises 37-40, you are given the sample mean and the sample standard deviation. Use this information to constran the 90% and 95% confidence intervals for the population mean. Which intervals wider? If convenient, use technology to construct the confidence intervals. 37. Gas Grills A random sample of 32 gas grills has a mean price of $630.9 and a standard deviation of $56.70. 38. Stock Prices From a random sample of 35 days in a recent year, the closing stock prices for Hasbro had a mean of $23.20 and a standard deviation of $4.34. (Source: Marketwatch, Inc.) 39. Juice Drinks A random sample of 31 eight-ounce servings of different juice drinks has a mean of 99.3 calories and a standard deviation of 41.5 calories (Adapted from The Beverage Institute for Health and Wellness)

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