13. If np greater than or equals 5 and nq greater than or equals 5, estimate P (more than 5) with and .6 by using the normal distribution as an approximation to the binomial distribution; if np less <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. A.P(more than 5) equals= ________ (Round to four decimal places as needed.) B. The normal distribution cannot be used.