Question
Asked Dec 1, 2019
14 views
Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15.
Click to viewpage 1 of the table. Click to view page 2 of the table.
0.7
х
help_outline

Image Transcriptionclose

Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to viewpage 1 of the table. Click to view page 2 of the table. 0.7 х

fullscreen
check_circle

Expert Answer

Step 1

Given data normally distributed with mean of 100 and standard deviation of 15.

From the given graph, area under the curve is 0.7.

Step 2

The graph to the right depicts IQ score ...

help_outline

Image Transcriptionclose

P(X<x)-0.7 X- -0.7 P Z< X-100 0.7 15 PZ< From standard normal table, for 0.7 probability z-value is 0.53 x-100 -=0.53 15 x-(0.53x15)+100 x 107.95

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Math

Statistics

Related Statistics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: Using a tree diagram, determine the sample space.   Determine the probability distribution. Let the ...

A: Given 3 windowsWindow-1 display lemon or strawberryWindow-2 display lemon or stawberry or blueberryW...

question_answer

Q: Listed below are the numbers of words spoken in a day by each member of six different couples. Use a...

A: Given Data

question_answer

Q: The equation for a general normal curve with mean u and standard deviation a is e-(x -H2/(202) y = O...

A: For x=120, the value of y is,

question_answer

Q: Answer P1 please! Both parts of the question!

A: The smallest value of n is calculated below:

question_answer

Q: Given the interval estimate for the mean (9.2, 13.4), the point estimate for the mean is _______ , a...

A: The given interval estimate for the mean is (9.2, 13.4).The margin of error is calculated below:

question_answer

Q: A fitness center is interested in finding a 90% confidence interval for the mean number of days per ...

A: a. To compute the confidence interval the t distribution is used because the population standard dev...

question_answer

Q: number 8 a, b, and c

A: (a)The difference is tabulated below:

question_answer

Q: 4   Table 5.1 is just the standard normal table for Z but rounded to 4 decimal places. Thank you!

A: Consider X as a normally distributed random variable, with mean μ and standard deviation σ. Then, th...

question_answer

Q: Suppose a student is trying to construct a rejection region with an area of 0.05 in the right tail. ...

A: Given:Significance level = 0.05