Register
IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What percentage of people have an IQ score between 69 and 137, to the nearest tenth?
210k views
2 votes
IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What percentage of people have an IQ score between 69 and 137, to the nearest tenth?

User Gordon Guthrie
by
3.5k points

2 Answers

0 votes
e.g. IQ is normally distributed (mean = 100, SD = 15). 68% of people have IQs between 85 and 115 (100 +/- 15). Hope this helps!
User Ctn
by
3.0k points
4 votes

Answer:97.4

Explanation:

use calculator

Lower: 69

Upper: 137

Mean:100

Standard deviation: 15

User Martypdx
by
3.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.3m questions

4.2m answers

Other Questions

A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
Can someone help me plz I have to Turn 27/9 in simplest
The sanchez family goes out for dinner, and the price of the meals is $60. The sales tax on the Meals is 7 percent, and they also want to leave a 15 percent tip. What is the total cost of the meal? Analyze
Simplify: 10 ÷ [(5 + 2) − 5]
Se quiere construir un muro de 4 m de alto, 12 m de largo y 10 cm de espesor. ¿Cuántos ladrillos de 8 cm de alto, 20 cm de largo y 10 cm de espesor se requieren?
Link Copied!