Multiple Choice
The time it takes Jessica to bicycle to school is normally distributed, with a mean time of 15 minutes and a variance of 4 minutes. Jessica has to be at school at 8:00
A.m. Suppose it took her 23 minutes to get to school. What can you reasonably infer or conclude?
A) Twenty-three minutes to school is not an unusually long commute time.
B) A commuting time of 23 minutes is highly unusual or atypical.
C) The distribution of commute times must not be normal with mean 15 minutes and standard deviation 2 minutes.
D) Both b and c
Correct Answer:
Verified
Correct Answer:
Verified
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