Question

A set of 1200 exam scores is normally distributed with a mean = 82 and standard...

A set of 1200 exam scores is normally distributed with a mean = 82 and standard deviation = 6.

Use the Empirical Rule to complete the statements below.

  1. How many students scored higher than 82?

    How many students scored between 76 and 88?

    How many students scored between 70 and 94?

    How many students scored between 82 and 88?

    How many students scored higher than 76?
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 600 scores is normally distributed with a mean = 76 and standard deviation...
A set of 600 scores is normally distributed with a mean = 76 and standard deviation = 10. How many students scored higher than 76? 300 Correct How many students scored between 66 and 86? How many students scored between 56 and 96? How many students scored between 76 and 86? How many students scored lower than 66? How many students scored lower than 86?
A set of exam scores is normally distributed with a mean = 80 and standard deviation...
A set of exam scores is normally distributed with a mean = 80 and standard deviation = 10. Use the Empirical Rule to complete the following sentences. 68% of the scores are between _____ and ______. 95% of the scores are between ______ and _______. 99.7% of the scores are between _______ and ________. Get help: Video
A set of 1400 scores is normally distributed with a mean = 84 and standard deviation...
A set of 1400 scores is normally distributed with a mean = 84 and standard deviation = 6. How many students scored higher than 84?   How many students scored between 78 and 90?   How many students scored between 72 and 96?   How many students scored between 84 and 90? How many students scored lower than 78? How many students scored lower than 90?
A test has a mean score of 82 and a standard deviation of 6. The distribution...
A test has a mean score of 82 and a standard deviation of 6. The distribution of scores is bell-shaped. According to the Empirical Rule, approximately 95% of the scores are between what two values? Group of answer choices 70 and 94 73 and 91 76 and 88 64 and 100
Suppose the scores of students on an hw are normally distributed with a mean of 318...
Suppose the scores of students on an hw are normally distributed with a mean of 318 and a standard deviation of 40. According to the empirical rule, what percentage of students scored between 238 and 398 on the hw?
The final exam scores in a statistics class were normally distributed with a mean of 70...
The final exam scores in a statistics class were normally distributed with a mean of 70 and a standard deviation of five. What is the probability that a student scored more than 75% on the exam?
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...
Suppose the scores of students on an homework are normally distributed with a mean of 318...
Suppose the scores of students on an homework are normally distributed with a mean of 318 and a standard deviation of 40. According to the empirical rule, what percentage of students scored between 238 and 398 on the homework? Answer:  %
A set of Midterm examination grades in “Decision making under uncertainty” course is normally distributed, with...
A set of Midterm examination grades in “Decision making under uncertainty” course is normally distributed, with a mean of 79 and a standard deviation of 7. Complete parts (a) through (d). a) What is the probability that a student scored below 88 on this exam? b) What is the probability that a student scored between 72 and 94? c) The probability is 15% that a student taking the test scores higher than what grade? d) If the professor grades on...
Suppose exam scores are normally distributed with a mean of 70 and a standard deviation of...
Suppose exam scores are normally distributed with a mean of 70 and a standard deviation of 6. The probability that someone scores between a 70 and a 90 is?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT