O Part (a) In words, define the random variable X. O the mean time of all trials the length, in days, of a criminal trial the length, in hours, of a criminal trial the number of trials that last 22 days O Part (b) Give the distribution of X. x-O(0:0) O Part (c) If one of the trials is randomly chosen, find the probability that it lasted more than 26 days. (Round your answer to four decimal places.)

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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Suppose that the duration of a particular type of criminal trial is known to be normally distributed with a mean of 22 days and a
standard deviation of 8 days.
O Part (a)
In words, define the random variable X.
O the mean time of all trials
O the length, in days, of a criminal trial
O the length, in hours, of a criminal trial
O the number of trials that last 22 days
O Part (b)
Give the distribution of X.
<-O(0-0)
O Part (c)
If one of the trials is randomly chosen, find the probability that it lasted more than 26 days. (Round your answer to four decimal places.)
Sketch the graph.
10
20
30
40
10
20
30
40
10
20
30
40
10
20
30
40
Write the probability statement.
O Part (d)
60% of all trials of this type are completed within how many days? (Round your answer to two decimal places.)
days
Transcribed Image Text:Suppose that the duration of a particular type of criminal trial is known to be normally distributed with a mean of 22 days and a standard deviation of 8 days. O Part (a) In words, define the random variable X. O the mean time of all trials O the length, in days, of a criminal trial O the length, in hours, of a criminal trial O the number of trials that last 22 days O Part (b) Give the distribution of X. <-O(0-0) O Part (c) If one of the trials is randomly chosen, find the probability that it lasted more than 26 days. (Round your answer to four decimal places.) Sketch the graph. 10 20 30 40 10 20 30 40 10 20 30 40 10 20 30 40 Write the probability statement. O Part (d) 60% of all trials of this type are completed within how many days? (Round your answer to two decimal places.) days
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