Mean 0463 standard deviation 0113 question 6 1 1 pts

Question 6
1 / 1 pts
What is the probability that the mean GPA for 64 randomly selected BYU-Idaho students
will be less than 3.5? Round your answer to three decimal places.
Use the following information to answer the next 4 questions.
Question 7
1 / 1 pts
Find the z-score corresponding to a tank with a capacity of 8550 gallons. Round your
answer to one decimal place. (Example: 0.3)
Question 8
1 / 1 pts
What is the probability that a randomly selected tank will have a capacity of less than
8550 gallons? Round your answer to three decimal places. (Example: 0.398)

Question 9
1 / 1 pts
A simple random sample of n = 20 tanks will be selected. Find the z-score
corresponding to a sample mean capacity for 20 tanks of 8550. Round your answer to
three decimal places. (Example: 0.398)
Correct!
Correct Answers
Question 10
0 / 1 pts
A simple random sample of n = 50 tanks will be selected. What is the probability that the
mean capacity for these 50 tanks will be greater than 8540 gallons? Round your answer
to three decimal places. (Example: 0.398)
2.236