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Asimple random sample of size n = 12 is obtained from a population with p = 5? and D' = 1-4. [a] What must be
Asimple random sample of size n = 12 is obtained from a population with p = 5? and D' = 1-4. [a] What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample mean? Asst that this condition is true, describe the sampling distribution of E. [b]Assuming the normal model can be used, determine PQH 7'01]. [c] Assuming the normal model can be used, determine Pt): 268.8]. [a] What must be true regarding the distribution of the population? 0 A. Since the sample size is large enough, the population distribution does not need to be normal. 0 B. The population must be normallyr distributed. 0 C. The population must be normally distributed and the sample size must be large. 0 D. The sampling distribution must be assumed to be normal. Assuming the normal model can be used, describe the sampling distribution E. Choose the correct answer below. 0 A. Normal, with p; = E? and a; =14 _ 14 Q B. Normal, wrth pi E? and a; .j _ 12 O C. Normal, wrth \"3': E? and tr; 4a [b] Pipu: Till}: D (Round to four decimal places as needed.) [c] Pl}? 2 53.3} = :| {Round to tour decimal places as needed.)
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