Question

IQ test scores are normally distributed with a mean of 100 and a standard deviation of...

IQ test scores are normally distributed with a mean of 100 and a standard deviation of 15.

a) Find the IQ scores that represent the bottom 35%

. b) Find the IQ score that represents the 3rd Quartile

c) Find the IQ score for the top 5%

Homework Answers

Answer #1

Hope this will help you. Thank you :)

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
IQ scores are normally distributed with a mean of 100 and standard deviation 15. what is...
IQ scores are normally distributed with a mean of 100 and standard deviation 15. what is the IQ score for an area of 0.9918
Assume that adults have IQ scores that are normally distributed with a mean of 100 and...
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 has an IQ between 115 and 130.           (a) .6700      (b) .1359      (c) .9082      (d) .1596      (e) .1628 5        Refer to question 4 above. Find the IQ score at Q1 or the 25th percentile. This is the score which separates the bottom 25% from the top 75%.           (a) 89.95      (b)...
Assume that adults have IQ scores that are normally distributed with a mean of 96.3 and...
Assume that adults have IQ scores that are normally distributed with a mean of 96.3 and a standard deviation 23.1 Find the first quartile ​, which is the IQ score separating the bottom​ 25% from the top​ 75%. (Hint: Draw a​ graph.)
Assume that adults have IQ scores that are normally distributed with a mean of 101 and...
Assume that adults have IQ scores that are normally distributed with a mean of 101 and a standard deviation 24. Find the first quartile Upper Q 1​, which is the IQ score separating the bottom​ 25% from the top​ 75%.
Assume that adults have IQ scores that are normally distributed with a mean of 101.2 and...
Assume that adults have IQ scores that are normally distributed with a mean of 101.2 and a standard deviation 23.6 Find the first quartile Upper Q 1Q1​, which is the IQ score separating the bottom​ 25% from the top​ 75%. (Hint: Draw a​ graph.) The first quartile is
Assume that adults have IQ scores that are normally distributed with a mean of 102.7 and...
Assume that adults have IQ scores that are normally distributed with a mean of 102.7 and a standard deviation 20.9 Find the first quartile Upper Q 1 which is the IQ score separating the bottom​ 25% from the top​ 75%. (Hint: Draw a​ graph.) The first quartile is?
Assume that adults have IQ scores that are normally distributed with a mean of 103.9 and...
Assume that adults have IQ scores that are normally distributed with a mean of 103.9 and a standard deviation 24.9. Find the first quartile Upper Q 1​, which is the IQ score separating the bottom​ 25% from the top​ 75%. (Hint: Draw a​ graph.) The first quartile
Assume that adults have IQ scores that are normally distributed with a mean of 96.2 and...
Assume that adults have IQ scores that are normally distributed with a mean of 96.2 and a standard deviation 19.2. Find the first quartile Upper Q 1​, which is the IQ score separating the bottom​ 25% from the top​ 75%. (Hint: Draw a​ graph.)
adults have IQ scores that are normally distributed with a mean of 100 and a standard...
adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15 a. what IQ score respresents the 95th percentile? b. what IQ score represents the 50th percentile? show how you got the answer step by step, clearly just trying to check my work thanks !
Adults have a IQ scores that are normally distributed with a mean of a 100 and...
Adults have a IQ scores that are normally distributed with a mean of a 100 and a standard deviation of 15. a) what percentage of scores are less than 103? b) what percentage of scores are between 60 and 130? c) what is the IQ score seperating the bottom 25% from the rest? thank you.