Question

The time of deployment (that is, the continuous time spent away from home port) for British sailors has a normal distribution, with a mean of 194 days and a standard deviation of 42 days. What percentage of the deployments were
a. Less than 150 days?
b. Between 200 and 220 days?
c. Longer than 6 months?
d. The wife of Joe Dobson, a British sailor deployed on March 5, is expecting a baby on July 10. What’s the probability that Joe will be home in time for the baby’s arrival? (Assume the baby arrives on time.)


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  • CreatedJuly 16, 2015
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