A population has a mean of = 30 and a standard deviation o = 8....

 

Transcribed Image Text:

A population has a mean of μ = 30 and a standard deviation o = 8. If the population distribution is normal, what is the probability of obtaining a sample mean greater than M = 32 for a sample of n = 4? A) p = -0.50. B) p = 0.3085. C) p = 0.0228. D) p = 4. E) There is no answer here because the distribution of the sample means is not normal. A population has a mean of μ = 30 and a standard deviation o = 8. If the population distribution is normal, what is the probability of obtaining a sample mean greater than M = 32 for a sample of n = 4? A) p = -0.50. B) p = 0.3085. C) p = 0.0228. D) p = 4. E) There is no answer here because the distribution of the sample means is not normal.

Answer rating: 100% (QA)

a We are given 300 8 We have to find Px 32 Using the zscore formula we have 32 30 Px 32 P P SA Pz 05 ... View the full answer