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 final

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.

(a) Find the 95th percentile of the number of hours studying?

(b) Find the 33rd percentile of the number of hours studying ?

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!

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 30 and standard...

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...

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...

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...

also what proportion of students studied less than 36 hours? & www-awu.connectmath.com/alekscgi/x/Isl.exe/10_u-IgNslkr7j8P3jH-lixuiHIKonusKqwxL4LqHw5_zIL9AVam1JkQyylaqDE61BZyWvSvl... * To How much do...

also what proportion of students studied less than 31 hours? 154NEIBIS TOK 39@AsgnjoQ... 0 W How much do you study? A survey among freshmen at a certain university revealed that the number of hours...

What is the purpose of a retained earnings restriction? Identify the possible causes of retained earnings restrictions.

Konan, Inc. needs to determine its inventory value. The following information pertains to the individual products in ending inventory: Product Cost Replacement Cost Selling Price Cost of Completion...

35. LO.3 In each of the following independent situations, indicate whether the alternate valuation date can be elected. Explain why or why not. Assume that all deaths occur in 2012. Value of Gross...

True or False? The funding for Secure Flight has been withdrawn

2. In this chapter, the reader should reflect on the following concepts: action strategies, values and criteria.

1. Too understand personal motivation.

3. Imagine three people you know relatively well. Consider which of the five positions they often use in the conversations they engage in with other people.