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When we can consider the Sampling distribution of the sample means as a Normal distribution? Choose...

When we can consider the Sampling distribution of the sample means as a Normal distribution?

Choose 1 response :
a. If the population is Normally distributed
b. If there is no information about population distribution and sample size is 24
c. If the population is not Normally distributed and sample size is 24
d. If population is not Normally distributed but sample size n≥30

Math   Statistics-And-Probability   
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