Question: How much do you study? A survey among freshmen at a certain university revealed that the number of hours spent studying the week before

How much do you study? A survey among freshmen at a certain

How much do you study? A survey among freshmen at a certain university revealed that the number of hours spent studying the week before final exams was normally distributed with mean 25 and standard deviation 9. Use the TI-84 PLUS calculator to answer the following. Round the answers to at least two decimal places. Part: 0/3 Part 1 of 31 (e) Find the 95 percentile of the number of hours studying The 95 percentile of the number of hours studying is hours.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

A vector field is given by: 3 sin 5-(+)-) + (-) + (3) 7 g= Using the divergence theorem evaluate / = ff, g-ds where S is a sphere of radius R centred at the origin. [15]

Ross Co. is an oil and gas company located in the Western United States. Ross follows U.S. GAAP in recording and reporting its financial transactions and has a year-end of 12/31. During the fiscal...

Question 1: A normal population has mean = 36 and standard deviation = 8. (a) What proportion of the population is between 19 and 28? (b) What is the probability that a randomly chosen value will be...

A survey among freshmen at a certain university revealed that the number of hours spent studying the week before final exams was normally distributed with 30 mean and standard deviation 8. Question...

Find each of the shaded areas under the standard normal curve using a TI-84 Plus calculator. Round the answers to at least four decimal places. Part: 0 / 4 Part 1 of 4 (a) 0.61 The area of the shaded...

According to a government energy agency, the mean monthly household electricity bill in the United States in2011 Electricity bills: According to a government energy agency, the mean monthly household...

under the standard normal curve 2a) Find the area to the left of z=2.32 3a)The area to the right of z= 0.49 4a) The area between z=-0.82 and z=2.11 is 5) Find the z -score for which the area to its...

A normal population has mean it : 63 and standard deviation 5 :16. (a) What proportion of the population is greater than 100? (b) What is the probability that a randomly chosen value will be less...

Write a paper on Anne Bradstreet's poem," the four elements.

People with which demographic characteristics are the most likely to vote? Over 4 5 years old With a high school education or less With income under $ 3 0 k yearly Living in the Southern US

Heaps Company produces jewelry that requires electroplating with gold, silver, and other valuable metals. Electroplating uses large amounts of water and chemicals, producing wastewater with a number...

Sperry-New Holland manufactures farm machinery. During 2017, it incurred a variety of costs, several of which appear on the following list. Nature of Incurred Cost a. Comprehensive liability...

On April 1, 2014, Angel Corporation issued $8,000,000 in 8.5 percent, five-year bonds at 98. The semiannual interest payment dates are April 1 and October 1. Prepare journal entries to record the...

The comparative balance sheet of Amelia Enterprises, Inc. at December 31, 2010 and 2009, is as follows: Additional data obtained from the income statement and from an examination of the accounts in...

Bubba's Western Wear is a western hat retailer in Lubbock, Texas. Although Bubba's carries numerous styles of western hats, each hat has approximately the same price and invoice (purchase) cost, as...

Design a minimum-mass symmetric three-bar truss (the area of member 1 and that of member 3 are the same) to support a load P, as was shown in Fig. 2.9. The following notation may be used: Pu = P cos...

=+b) Explain why you cannot use a Normal model to determine the probability that a largemouth bass randomly selected (caught) from the lake weighs over 3 pounds.

=+4. As in Exercise 3, BMI levels for New Zealand adults aged 15 and over average about 26 kg/m2 , with a standard deviation of about 3.5 kg/m2 and are roughly Normally distributed. If BMI measures...

=+ A real-estate agent has been assigned 10 houses at random to sell this month. She wants to know whether the mean price of those houses is typical. What, if anything, does she need to assume about...