A population whose shape is unknown has a median of 75. you, Ask an Expert

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A population whose shape is unknown has a median of 75. You selected a sample of 40. The standard deviation of the median is 5. Calculate the probability that the median of the sample or average medians is:

a) less than 74

b) between 74 and 76

c) between 77 and 77

d) Greater than 77

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