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Selecting a sample mean with a z-score

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Reference no: EM132844585

A sample of n = 4 scores is selected from a population with µ = 30 and s = 8. Which is more likely,

a) selecting a sample mean greater than 34?

b) selecting a sample mean with a z-score greater than z = 2.00?

Assume the population is a normal distribution.

Reference no: EM132844585

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