Answer ONLY parts D,E

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Answer ONLY parts D,E
2. Suppose the length of time for a brunch at a restaurant is
normally distributed with mean 60 minutes and standard
deviation of 15 minutes.
a. What is the probability that a randomly selected table takes
less than 45 minutes?
b. What is the probability that a randomly selected table takes
more than 30 minutes?
What is the probability that a randomly selected table takes
between 45 and 75 minutes?
с.
d. Find the amount of time that corresponds to the 99th
percentile for brunch times.
e. Find the amount of time, equidistant from the mean of 60
minutes, such that 90% of all brunch times are between
these values.
3. Use the link to answer the parts a, b, and c from the previous
question? Share the resulting graph (or graphs) and explain the
result (at least one graph and one sentence of explanation is
required for each part).
Transcribed Image Text:2. Suppose the length of time for a brunch at a restaurant is normally distributed with mean 60 minutes and standard deviation of 15 minutes. a. What is the probability that a randomly selected table takes less than 45 minutes? b. What is the probability that a randomly selected table takes more than 30 minutes? What is the probability that a randomly selected table takes between 45 and 75 minutes? с. d. Find the amount of time that corresponds to the 99th percentile for brunch times. e. Find the amount of time, equidistant from the mean of 60 minutes, such that 90% of all brunch times are between these values. 3. Use the link to answer the parts a, b, and c from the previous question? Share the resulting graph (or graphs) and explain the result (at least one graph and one sentence of explanation is required for each part).
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