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Hello, I am struggling with this section of my chapter and need help! Thank you! A normally distributed population has a mean of 475 and

Hello, I am struggling with this section of my chapter and need help! Thank you!
A normally distributed population has a mean of 475 and a standard deviation of 80. a. Determine the probability that a random sample of size 25 selected from this population will have a sample mean less than 456. b. Determine the probability that a random sample of size 16 selected from the population will have a sample mean greater than or equal to 524. a. P (x

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