Question: Suppose a simple random sample of size n 12 is obtained from a population with 68 and 16 a What must be true regarding the

Suppose a simple random sample of size n 12 is obtained

Suppose a simple random sample of size n 12 is obtained from a population with 68 and 16 a What must be true regarding the distribution of the population in order to use the normal model to compute probabilities regarding the sample mean Assuming the normal model can be used describe the sampling distribution x b Assuming the normal model can be used determine P x 72 1 c Assuming the normal model can be used determine P x 69 7 Click here to view the standard normal distribution table page 1 Click here to view the standard normal distribution table page 2 12 XB Normal with 68 and o 16 Oc Normal with 68 and o 16 b P x 72 1 Round to four decimal places as needed

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