KAssume that adults have IQ scores that are normally distributed with a mean of u = 105 and a standard deviationo=20. Find the probability that a randomly selected adult has an IQ less than 145.Click to view page 1 of the table. Click to view page 2 of the table.%The probability that a randomly selected adult has an IQ less than 145 is(Type an integer or decimal rounded to four decimal places as needed.)Copyright © 2022 Pearson Education Inc. All rights reserved. Terms of Use | Privacy Policy. Permissions Contact Us |6HBN&a43hp8K(#Next83°Finsertprt scbackspaceseраsee9:31 F8/9/20

Given that The adults have IQ scores normally distributed with Mean (μ) = 105 Standard deviation…

Answered: Assume that adults have IQ scores that…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Assume that adults have IQ scores that are normally distributed with a mean of u= 105 and a standard deviation o = 20. Find the probability that a randomly selected adult has an IQ between 91 and 119. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ between 91 and 119 is (Type an integer or decimal rounded to four decimal places as needed.)
Find the area of the shaded region. 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 view page 1 of the table. LOADING... Click to view page 2 of the table. LOADING... 85 110 A graph with a bell-shaped curve, divided into 3 regions by 2 lines from top to bottom, one on the left side and one on the right side. The region between the lines is shaded. Moving from left to right, the x-axis below the first line is labeled 85. The x-axis below the second line is labeled 110. Question content area bottom Part 1 The area of the shaded region is enter your response here. (Round to four decimal places as needed.)
The average age of senators in the 108th Congress was 62 years. If the standard deviation was 12.5 years, find the z-scores corresponding to the oldest and youngest senators of age 86 and 46. Round z scores to two decimal places.
Find the are of the shaded region. The graph depicts the iq scores of adults and those normally distributed with a mean of 100 and a standard deviation of 15. The graph is shaded ro the right with a number on the bottom 90
What percentage of the widget Weights lie between 55 and 79 ounces when the mean is 61 and the standard deviation is 6 ?
Find the standard deviation of the following -14, -4,-10, -12, 5, -1.
A final exam in Seaturtle Research Studies has a mean of 78 and a standard deviation of 3. If 36 students are randomly selected, find the probability that the mean of their test scores less than 79. P(x < 79) = P(z < (Enter your answer as a percent accurate to 1 decimal place, do not enter the "%" sign). Shade: ( Left of a value 9. Click and drag the arrows to adjust the values. -4 -3 -2 -1 2 3 4 -1.5
Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a standard deviation o=15. Find the probability that a randomly selected adult has an IQ between 89 and 121. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ between 89 and 121 is (Type an integer or decimal rounded to four decimal places as needed.)
A study was commissioned to find the mean weight of the residents in certain town. The study found the mean weight to be 174 pounds with a margin of error of 7 pounds. Which of the following is a reasonable value for the true mean weight of the residents of the town?
Please answer B, C, & D.
A company that supplies LP gas for heating keeps data on the low temperature for each day of each month. It sum-marizes these data by finding the mean, median, standard deviation and interquartile range. The company assumesthat people use the LP gas for heat when the temperature is below 70°, so it creates a second set of data by subtract-ing 70 from each daily low temperature. Which of the four summary statistics will change for this second data set?A) mean and median onlyB) mean and standard deviation onlyC) median and IQR onlyD) standard deviation and IQR onlyE) mean, median, standard deviation, and IQR

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Assume that adults have IQ scores that are normally distributed with a mean of µ-105 and a standard deviation o=20. Find the probability that a randomly selected adult has an IQ less than 145. Click to view page 1 of the table. Click to view page 2 of the table.