Video A population has a mean of 200 and a standard deviation of 90. Suppose a sample of size 100 is selected and 2 is used to estimate u. Use z-table. a. What is the probabity that the sample mean will be within +/- 6 of the population mean (to 4 decimals)? (Round z value in intermediate calculations to 2 decimal places.) b. What is the probability that the sample mean will be within +/-14 of the population mean (to 4 decimals)? (Round z value in intermediate calculations to 2 decimal places.)

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Q: Healty people have body temperatures that are normally distributed with a mean of 98.20°F and a…

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