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14 Nov 2021
Given information
Given that, the average length of maternity stay in a U.S. hospital is said to be 2.4 days with a standard deviation of 0.9 days. We randomly survey 80 women who recently bore children in a U.S. hospital.
We have to check whether it is likely that an individual stayed more than five days in the hospital and justify our answer.
Step-by-step explanation
Step 1.
From the above, we can write .
The probability that an individual stayed more than five days in the hospital is given by,
Therefore, the probability that an individual stayed more than 5 days in the U.S hospital is .
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