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A small cruising ship that can hold up to 72 people provides three-day excursions to groups of 50 or more. If the group contains 50 people, each person pays $66. The

cost per person for all members of the party is reduced by $1 for each person in excess of 50. Find the size of the group that maximizes income for the owners of the

ship.

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?