- +1-530-264-8006
- info@tutorsglobe.com

Mean iq score for a random sample

Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15.

Find the probability that a randomly selected adult had an IQ greater than 120.0 (the requirement for membership in the Mensa organization). Round to the nearest thousandth.

Also what is the probability that a random person will have an IQ between 100.0 and 120.0?

What would be the 95th percentile IQ scores?

What is the probability that a mean IQ score for a random sample of 40 people will exceed 104.0?

18,76,764

Questions

Asked

21,311

Experts

9,67,568

Questions

Answered

Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!

Submit Assignment2015 © Tutors Globe. All rights reserved.

## Q : Standard deviation of the strengths

Find the mean and standard deviation of the strengths. What proportion of the bolts meet the strength specification?