Question

Suppose that the duration of a particular type of criminal trial is known to be

normally distributed with a mean of 21 days and a standard deviation of seven days.
a) In your own words, define the random variable X.
b) Describe the distribution by filling in the blanks X
c) If one of the trials is randomly chosen, find the probability that it lasted at least 24 days.
Sketch the graph and write the probability statement.

Answer 1

c.) if the one of the trails is randomly chosen, find the probability that it lasted at least 24 days

Explanation: