A professor in a large statistics class has a grading, Ask an Expert

Statistics

A professor in a large statistics class has a grading policy such that only the 15% of the students with the highest scores will receive the grade A. The mean score for this class is 72 with a standard deviation of 6. Assuming that all the grades for this class follow a normal probability distribution, what is the minimum score that a student in this class has to get to receive an A grade?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91638687

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A study discovered that americans consumed an average of

A study discovered that Americans consumed an average of 10.7 pounds of chocolate per year. Assume that the annual chocolate consumption follows the normal distribution with a standard deviation of 3.1 pounds. Complete p ...

What is the 99 confidence interval for a sample of 52 seat

What is the 99% confidence interval for a sample of 52 seat belts that have a mean length of 85.6 inches long and a standard deviation of 3.8 inches?

Phillips owns 25 of mintor inc a private company in 2007

Phillips owns 25 % of Mintor, Inc. (a private company). In 2007, Mintor had sales of $22,00,000, had net income of $82,000 and Mintor paid $32,000 in dividends. If Phillips uses the Equity Income method, what did Phillip ...

Suppose thatnbspx1nbspx2 nbspx100nbspis a sample from a

Suppose that X 1 , X 2 , ..., X 100 is a sample from a normal distribution whose Sample Mean has a N (3,3) distribution. What is the population distribution? (note: specify parameters of the distribution)

A researcher determines that students study an average of

A researcher determines that students study an average of 60 15 (M SD) minutes per week. Assuming these data are normally distributed, what is the z score for students studying 45 minutes per week?

Discrete probability variablesthirtynbsppercent of

Discrete probability variables. Thirty percent of households say they would feel secure if they had? $50,000 in savings. You randomly select 8 households and ask them if they would feel secure if they had? $50,000 in sav ...

Could someone help with my homework questionrecovery time

Could someone help with my homework question? Recovery time for knee surgery patients that do physical therapy three times per week on average is 16.3 weeks with a standard deviation of 2.4. A physical therapist believes ...

We toss n coins and each toss shows heads with probability

We toss n coins, and each toss shows heads with probability p, independently of each of the others. Each coin which shows heads is tossed again. What is the distribution function of the number of heads resulting from the ...

Twelve different video games showing substance use were

Twelve different video games showing substance use were observed and the duration of times of game play? (in seconds) are listed below. The design of the study justifies the assumption that the sample can be treated as a ...

Suppose the timing device used in the mens race failed to

Suppose the timing device used in the men's race failed to activate at the start of the race and instead began to record the times seconds into the race. Consider how the competitors' times would be affected. Would the s ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert