IQ is normally distributed with a mean of 100 and a standard deviation of 20. Use the Cumulative 2-Score Table to answer the questions bolow.Hint • Suppose one individual is randomly chosen. Find the probabilty that this person has an IQ greater than 158. Write your answer in percent form with two decimal places. PUQ greater than 158) - Suppose one individual is randomly chosen. Find the probability that this person has an 1Q less than 115. Write your answer in percent form with two decimal places. PIQ less than 115) – In a sample of 600 people, how many people would have an 1Q less than 1367 Round your answer to the nearest whole mumber. people

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
IQ is normally distributed with a mean of 100 and a standard deviation of 20.
Use the Cumulative Z-Score Table to answer the questions below.Hint
• Suppose one individual is randomly chosen. Find the probability that this person has an IQ greater than 158. Write
your answer in percent form with two decimal places.
P(IQ greater than 158) -
• Suppose one individual is randomly chosen. Find the probability that this person has an IQ less than 115. Write
your answer in percent form with two decimal places.
P(IQ less than 115) -
• In a sample of 600 people, how many people would have an IQ less than 136? Round your answer to the nearest
whole mumber.
people
• In a sample of 600 people, how many people would have an IQ greater than 89? Round your answer to the
nearest whole nNTber.
Transcribed Image Text:IQ is normally distributed with a mean of 100 and a standard deviation of 20. Use the Cumulative Z-Score Table to answer the questions below.Hint • Suppose one individual is randomly chosen. Find the probability that this person has an IQ greater than 158. Write your answer in percent form with two decimal places. P(IQ greater than 158) - • Suppose one individual is randomly chosen. Find the probability that this person has an IQ less than 115. Write your answer in percent form with two decimal places. P(IQ less than 115) - • In a sample of 600 people, how many people would have an IQ less than 136? Round your answer to the nearest whole mumber. people • In a sample of 600 people, how many people would have an IQ greater than 89? Round your answer to the nearest whole nNTber.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman