Question

PROBLEM: A set of final examination grades in an introductory statistics course was found to be...

PROBLEM: A set of final examination grades in an introductory statistics course was found to be normally distributed with a mean of 73 and a standard deviation of 8.

Use Excel to determine the following values to 6 (round up) decimal place accuracy.

Fill in the following values.

1. Determine the probability of getting a grade that is less than 85.Answer____________________________________

2. Determine the probability of getting a grade that is greater than 90.Answer__________________________________

3. Determine the probability of getting a grade that is between 73 and 80.Answer____________________________________

4. Determine the probability of getting a grade that is between 58 and 89.Answer___________________________________

5. Only 10% of the students scored higher than what grade?Answer______________________________

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A set of final examination grades in an introductory statistics course is normally distributed, with a...
A set of final examination grades in an introductory statistics course is normally distributed, with a mean of 73 and a standard deviation of 8.2. (i) What is the probability that a student scored below 91 on this exam? (ii) What is the probability that a student scored between 65 and 89? (iii) Given that 15% of the students scored grade B. What is the cut-off mark for grade B?
uestion 1 1. A set of final examination grades in an introductory statistics course is normally...
uestion 1 1. A set of final examination grades in an introductory statistics course is normally distributed with a mean of 73 and a standard deviation of 8. a) What is the probability of getting a grade of 91or less on this exam? b) what is the probability that a student scored between 65 and 89? c) The probability is 5% that a student taking the test scores higher than than what grade? d) If the professor grades on a...
a set of final examination grades in an introductory statistics course is normally distributed with a...
a set of final examination grades in an introductory statistics course is normally distributed with a mean of 77 and a standard deviation of 7 complete parts a through d. a. what is the probability that a student scored below 89 on this exam b. what is the probability that a student scored between 70 and 93 c. the probability is 15% that a student taking the test scores higher than what grade d. if the professor grades on a...
A set of final examination grades in an introductory statistics course is normally distributed, with a...
A set of final examination grades in an introductory statistics course is normally distributed, with a mean of 70 and a standard deviation of 9. What is the probability that the student scored below 88 on this exam What is the probability that a student scored between 61 and 92.5 The probability is 5% that a student taking the test scores higher than what grade If the professor grades on a curve --gives A’s to the top 10% of the...
Question 1 1. A set of final examination grades in an introductory statistics course is normally...
Question 1 1. A set of final examination grades in an introductory statistics course is normally distributed with a mean of 85 and a standard deviation of 12. a) What is the probability of getting a grade of 95 on this exam? b) What is the probability that a student scored less than 55 and more than79? c) The probability is 8% that a student taking the test scores higher than than what grade? d) If the professor grades on...
A set of final examination grades in an introductory statistics course is normally distributed, with a...
A set of final examination grades in an introductory statistics course is normally distributed, with a mean of 72 and a standard deviation of 9. a) What is the probability that a student scored below 89 on this exam? (Round to 4 decimal places as needed.) b) What is the probability that a student scored between 63 and 95? (Round to 4 decimal places ad needed.) c) The probability is 5% that a student taking the test scores higher than...
a set of final examination grades in an introductory statistics course is normally distributed with a...
a set of final examination grades in an introductory statistics course is normally distributed with a mean of 77 and a standard deviation of 8.the probability is 15% that a student taking the test scores higher than what grade. the probability is 15% that a student taking the test scores higher than ?
A set of final examination grades in a calculus course was found to be normally distributed...
A set of final examination grades in a calculus course was found to be normally distributed with a mean of 69 and a standard deviation of 9. What is the probability of getting a grade of 91 or less on this exam? 0.50 .9927 0.0073 1.00
The next two questions 4-5 are based on the following information. A set of final examination...
The next two questions 4-5 are based on the following information. A set of final examination grades in an introductory statistics course is normally distributed, with a mean of 73 and a standard deviation of 8. 4. What is the probability that a student scored below 91 on this exam? (a) 0.9878 (b) 0.8185 (c) 0.9500 (d) 0.8616 5. If the professor grades on a curve (i.e., gives As to the top 10 percent of the class, regardless of the...
The following scores represent a sample of final examination grades for a statistics course 23 60...
The following scores represent a sample of final examination grades for a statistics course 23 60 98 32 57 74 52 70 82 69 74 63 80 62 80 77 81 95 41 65 92 85 85 61 36 79 55 76 52 10 64 75 78 25 80 48 83 64 88 82 81 67 41 71 67 54 34 72 74 43 60 78 84 89 76 84 17 90 15 79 a) Compute the 20th percentile of...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT