If npgreater than or equals5 and nqgreater than or equals5, estimate Upper P left parenthesis at least 11 right parenthesis with nequals13 and pequals0.6 by using the normal distribution as an approximation to the binomial distribution; if npless than5 or nqless than5, 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.
A. Upper P left parenthesis at least 11 right parenthesisequals nothing (Round to three decimal places as needed.)
B. The normal distribution cannot be used.
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