Mathematics, 17.04.2020 15:38 smithjirrah

Suppose that the duration of a particular type of criminal trial is known to be normally distributed with a mean of 17 days and a standard deviation of 4 days. Let X be the number of days for a randomly selected trial. Round all answers to 4 decimal places unless instructed otherwise.
a. What is the distribution of X? X ~ N( , )
b. If one of the trials is randomly chosen, find the probability that it lasted at least 14 days.
c. If one of the trials is randomly chosen, find the probability that it lasted between 20 and 25 days.
d. 90% of all of these types of trials are completed within how many days?

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:50, michelerin9486

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

Answers: 1

continue

Mathematics, 21.06.2019 15:10, nancyrj3824

What is 20+(5 x 2/5 )+ 3 show your work

Answers: 2

continue

Mathematics, 21.06.2019 19:00, towlesam

X+ y = 5 ; x - y =3 solve using linear combination

Answers: 2

continue

Mathematics, 21.06.2019 22:30, madisonwr

Nicole is making carrot bread she needs 5 cups of carrots for 2 cups of sugar. what is the ratio of cups of sugar to cups of carrots that nicole will need? write the ration in three different ways

Answers: 1

continue

You know the right answer?

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