Assume that adults have IQ scores that are normally distributed with a mean of 97.8 and a standard deviation of 19.8. Find the probability that a randomly selected adult has an IQ greater than 121.3. (Hint: Draw a graph.) The probability that a randomly selected adult from this group has an IQ greater than 121.3 is (Round to four decimal places as needed.) GEIER

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

Question 21

Assume that adults have IQ scores that are normally distributed with a mean of 97.8 and a standard deviation of 19.8. Find the probability that a randomly selected adult has an IQ greater than 121.3. (Hint: Draw
a graph.)
The probability that a randomly selected adult from this group has an IQ greater than 121.3 is
(Round to four decimal places as needed.)
144
4
do i
%
F6
A
F7
F8
&
7
F9
8
CH
DELL
F10
(
D
II
F11
BO
O
√
(L.)
F12
R
More
PrtScr
+ 11
Insert
Delete
Backspace
PgUp
Num
Lock
Next
PgDn
x
Home
Transcribed Image Text:Assume that adults have IQ scores that are normally distributed with a mean of 97.8 and a standard deviation of 19.8. Find the probability that a randomly selected adult has an IQ greater than 121.3. (Hint: Draw a graph.) The probability that a randomly selected adult from this group has an IQ greater than 121.3 is (Round to four decimal places as needed.) 144 4 do i % F6 A F7 F8 & 7 F9 8 CH DELL F10 ( D II F11 BO O √ (L.) F12 R More PrtScr + 11 Insert Delete Backspace PgUp Num Lock Next PgDn x Home
Expert Solution
Step 1

Answer: - Given

normally distributed with mean(μ) =97.8

Standard deviation (σ) =19.8

Find P(X >121.3) =? 

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
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