Suppose that the population of middle-school children has a mean of 350 on a reading test and σ = 50. Assume normality. What is the probability that a mean will be greater than 370 with a sample of 25...


Suppose that the population of middle-school children has a mean of 350 on a reading test and σ = 50. Assume normality. What is the probability that a mean will be greater than 370 with a sample of 25 students?



Leave the probability in decimal form (do not convert to percentage).


Round to the nearest ten thousandth. (4 decimal places)



Jun 08, 2022
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