A survey found that 5% of adults have not visited a dentist in the last five years. Suppose you ask 50 adults selected at random if they have visited…
A survey found that 5% of adults have not visited a dentist in the last five years. Suppose you ask 50 adults selected at random if they have visited a dentist in the last five years. Should a normal distribution be used to approximate the distribution of the random variable x that counts the number of adults who have not visited a dentist in the last five years?