Statistics Homework Solutions
Problem
#85399

% of cruises for normal distribution and standard deviation

The number of passengers on the Carnival Sensation during one-week cruises in the Caribbean follows the normal distribution. The mean number of passengers per cruise is 1,820 and the standard deviation is 120.

a. What percent of the cruises will have between 1,820 and 1,970 passengers?

b. What percent of the cruises will have 1,970 passengers or more?

c. What percent of the cruises will have 1,600 or fewer passengers?

d. How many passengers are on the cruises with the fewest 25 percent of passengers?

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