Question: 75 Salaries for entry level managers at a restaurant chain are normally distributed with a mean of 44 000 and a standard deviation of 6

75 Salaries for entry level managers at a restaurant chain are

75 Salaries for entry level managers at a restaurant chain are normally distributed with a mean of 44 000 and a standard deviation of 6 500 We randomly survey 10 managers from these restaurants a In words X b X c In words EX d EX e Find the probability that the managers earn a total of over 400 000 f Find the 90th percentile for an individual manager s salary g Find the 90th percentile for the sum of ten managers salary h If we surveyed 70 managers instead of ten graphically how would that change the distribution in part d i If each of the 70 managers received a 3 000 raise graphically how would that change the distribution in part b

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