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If np ≥5 and nq≥5, estimate P(at least 9) with n=13 and p=0.5 by using the normal distribution as an approximation to the binomial distribution; if np<5 or nq<5, then state that the normal approximation is not suitable. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
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If np ≥5 and nq≥5, estimate P(at least 9) with n=13 and p=0.5 by using the normal distribution as an...
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