A 6. Salaries for Actuaries The average salary £ ates entering the actuarial field is $63,000. If are normally distributed with a standard devi $5000, find the probability that a. An individual graduate will have a salary $68,000. b. A group of nine graduates will have a grc over $68,000.

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O 6. Salaries for Actuaries The average salary for gradu-
ates entering the actuarial field is $63,000. If the salaries
are normally distributed with a standard deviation of
$5000, find the probability that
a. An individual graduate will have a salary over
$68,000.
b. A group of nine graduates will have a group average
over $68,000.
Source: www.payscale.com
& 7. Commuter Train Passengers On a certain run of :
commuter train, the average number of passengers is 476
and the standard deviation is 22. Assume the variable is
normally distributed. If the train makes the run, find the
probability that the number of passengers will be
a. Between 476 and 500 passengers
b. Fewer than 450 passengers
c. More than 510 passengers
Transcribed Image Text:O 6. Salaries for Actuaries The average salary for gradu- ates entering the actuarial field is $63,000. If the salaries are normally distributed with a standard deviation of $5000, find the probability that a. An individual graduate will have a salary over $68,000. b. A group of nine graduates will have a group average over $68,000. Source: www.payscale.com & 7. Commuter Train Passengers On a certain run of : commuter train, the average number of passengers is 476 and the standard deviation is 22. Assume the variable is normally distributed. If the train makes the run, find the probability that the number of passengers will be a. Between 476 and 500 passengers b. Fewer than 450 passengers c. More than 510 passengers
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