A sample of n = 4 scores is selected from a normal population with a mean of µ = 50 and a standard deviation of σ = 20.What is the probability of obtaining a sample mean greater than M = 48?
A)p = 0.6554
B)p = 0.3446
C)p = 0.5793
D)p = 0.4207

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The Answer of A sample of n = 4 scores is selected from a normal population with a mean of µ = 50 and a standard deviation of σ = 20.What is the probability of obtaining a sample mean greater than M = 48?
A)p = 0.6554
B)p = 0.3446
C)p = 0.5793
D)p = 0.4207

A Sample of N = 4 Scores Is Selected from a Normal