Mathematics, 26.02.2020 00:12 Jmarie08
A lawyer commutes daily from his suburban home to his midtown office. The average time for a one-way trip is 24 minutes, with a standard deviation of 3.8 minutes. Assume the distribution of the trip-length to be normally distributed.
a. If the office opens at 9:00am and he leaves his house at 8:40 am daily, what percentage of the time is he late for work? You must draw the distribution and indicate the relevant numbers etc. You must also give the answer as a number.
b. Find the length of time above which we find the longest 20% of the trips. You must draw the distribution and indicate the relevant numbers etc. You must also give the answer as a number.
c. Find the probability that two of the next three trips will take at least 30 minutes.
Answers: 3
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A lawyer commutes daily from his suburban home to his midtown office. The average time for a one-way...
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