Question: Assume that mid-term test scores is normally distributed with a mean of 70 and a standard deviation of 8. If we choose one student what

Assume that mid-term test scores is normally distributed with a mean of 70 and a standard deviation of 8. If we choose one student what is the probability that the student got score between 55 to 75?

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!

The average number of minutes Americans commute to work is 27.7 minutes. + The average commute time in minutes for 48 cities are as forme \begin{tabular}{|l|l|l|l|l|l|} \hline Albuquerque & 23.3 &...

COURSEIKURSUS ELEMENTARY STATISTICS PART A INSTRUCTIONS Part A contains FIVE questions. Answer ALL questions. QUESTION 1. Marks Identify which of the following variables are quantitative and which...

Question 9 At a Psychology final exam, the scores are normally distributed with a mean 73 points and a standard deviation of 10.6 points. The lower 5% of the class will not get a passing grade. Find...

Question 13 On a mathematics test, scores are normally distributed with a mean of 77 and a standard deviation of 16.8. A student is randomly selected. c) Find the probability that his/her score is...

Assume that push-up test scores are normally distributed with a mean of 25 and a standard deviation of 6. What is the z score of a push-up score of 31? include two decimals. Your answer * 5 points...

i3. Assume the sweatshirt test scores are normally distributed with a mean of 500 and a standard deviation of 100. (a) Consider all random samples of 100 test scores. What is the standard deviation...

I am submitting questions with Answers Can you please give me Explanation A set of test scores is normally distributed with a mean of 70 and a standard deviation of 8. Use the 68-95-99.7 rule to find...

Question 10 A set of test scores are normally distributed with a mean of 70 and a standard deviation of 10.3 points. If the scores in the fifteenth percentile and below will receive an F, what test...

8.A population of test scores is normally distributed with a mean of 100 and a standard deviation of 5. a) Calculate the probability that a randomly selected individual from this population will have...

1: Kelly's T score was 70. What is her z score? 2: Assume that push-up test scores are normally distributed with a mean of 25 and a standard deviation of 6. What is the z score of a push-up score of...

Assume that math test scores are normally distributed with a mean of 300 and a standard deviation of 60 If you were to score 180 on this exam what percentage of those taking the test scored below you...

A statistics professor and his wife are planning to take a 2-week vacation in Hawaii, but they cant decide whether to spend 1 week on each of the islands of Maui and Oahu, 2 weeks on Maui, or 2 weeks...

XYZ send goods worth Rs. 1,00,000 to Y on consignment basis at 20% above the cost price. The goods are sold by the consignee on a mark of 15% on invoice price. Find the total mark up % over the cost...

A mortgage broker advises borrowers to use false information to ensure that the loan application is approved. How would you describe the broker's actions?

On 1 March 2007 DB Limited issued R560 000 15% debentures at R98. The debentures were to be redeemed at par in four equal annual payments starting 28 February 2010. Required: Journalise the above...