Question: statistics and probability 1. It is known that human pulse rates follow a normal distribution. A sample of 10 people are randomly selected, and their

statistics and probability

1. It is known that human pulse rates follow a normal distribution. A sample of 10 people are randomly selected, and their pulses are measured. The data (in beats per minute) are given below: 72 62 72 84 60 66 72 75 62 (a) Find the mean and standard deviation of the sample (you may use the calculator functions to do this). Use the appropriate symbols, and round to four decimal places. (b) Compute a 90% confidence interval for #, the population mean. Round to three places. (c) Write a sentence that interprets the confidence interval in the context of the

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