Question

Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a...

Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 20. Use the empirical rule to determine the following.

​(a) What percentage of people has an IQ score between 40 and 160​?

​(b) What percentage of people has an IQ score less than 80 or greater than 120​?

​(c) What percentage of people has an IQ score greater than 160​?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a...
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 20. Use the empirical rule to determine the following. ​(a) What percentage of people has an IQ score between 80 and 120 ​(b) What percentage of people has an IQ score less than 40 or greater than 160 ​(c) What percentage of people has an IQ score greater than 120
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a...
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 20. Use the empirical rule to determine the following. ​(a) What percentage of people has an IQ score between 40 and 160​? ​(b) What percentage of people has an IQ score less than 40 or greater than 160​? ​(c) What percentage of people has an IQ score greater than 120​?
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a...
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 20. Use the empirical rule to determine the following. ​ (a) What percentage of people has an IQ score between 40 and 160​? ​ (b) What percentage of people has an IQ score less than 60 or greater than 140​? ​ (c) What percentage of people has an IQ score greater than 140​?
Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a...
Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 14. Use the empirical rule to determine the following. (a) What percentage of people has an IQ score between 72 and 128 ? (b) What percentage of people has an IQ score less than 86 or greater than 114 ? (c) What percentage of people has an IQ score greater than 128 ?
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a...
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 19. Use the empirical rule to determine the following. ​(a) What percentage of people has an IQ score between 43 and 157​? ​(b) What percentage of people has an IQ score less than 62 or greater than 138​? ​(c) What percentage of people has an IQ score greater than 138​?
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a...
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 12 Use the empirical rule to determine the following.​(a) What percentage of people has an IQ score between 64 and 136? ​(b) What percentage of people has an IQ score less than 88 or greater than 112​? ​(c) What percentage of people has an IQ score greater than 136​?
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a...
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 16. Use the empirical rule to determine the following. ​(a) What percentage of people has an IQ score between 68 and 132​? ​(b) What percentage of people has an IQ score less than 52 or greater than 148? ​(c) What percentage of people has an IQ score greater than 132?
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a...
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 16 . Use the empirical rule to determine the following. ​(a) What percentage of people has an IQ score between 52 and 148 ​? ​(b) What percentage of people has an IQ score less than 84 or greater than 116 ​? ​ (c) What percentage of people has an IQ score greater than 116 ​?
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a...
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 16. Use the empirical rule to determine the following. ​(a) What percentage of people has an IQ score between 84 and 116​? ​(b) What percentage of people has an IQ score less than 52 or greater than 148​? ​(c) What percentage of people has an IQ score greater than 116​?
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a...
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 13 . Use the empirical rule to determine the following. ​(a) What percentage of people has an IQ score between 87 and 113 ​? ​(b) What percentage of people has an IQ score less than 61 or greater than 139 ​? ​(c) What percentage of people has an IQ score greater than 126 ​?