You may need to use the appropriate appendix table or technology to answer this question. A population has a mean of 200 and a standard deviation of 50. Suppose a sample of size 100 is selected and x is used to estimate u. (Round your answers to four decimal places.) (a) What is the probability that the sample mean will be within ±5 of the population mean? x (b) What is the probability that the sample mean will be within +10 of the population mean? x Need Help? Read It Watch It

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