MENSA is an international organization requiring a high lQ for membership. It wasfounded in 1946 by Roland Berrill and Dr. Lancelot Ware as a nonpolitical society ofbright people representing different points of view. To qualify for membership, oneneeds to have an IQ in the top 2% on some approved intelligence tests. One such test isthe Stanford-Binet Intelligence Scales, which assumes that IQ scores are normallydistributed with a mean of 100 and a standard deviation of 16.а.Find the proportion of people in the general population with IQs between 90and 110.b. What is the lowest IQ score in the Stanford-Binet Intelligence Scales that wouldqualify you for MENSA membership?c. Leonor, a very diligent student, has an IQ score of 150. What proportion of thegeneral population have IQ scores above Leonor's IQ score?

Answered: Image /qna-images/answer/df66a6d4-e15c-411d-b5a5-27c6e89373cf.jpg

Answered: stributed with a mean of 100 and a…

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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The GMAC Insurance company reported that the mean score on the National Drivers Test was 77.8 with a standard deviation of 2.5 points. The test scores are approximately bell-shaped. Approximately 68% of all test scores were between two values A and B. What is the value of A? Write only a number as your answer. Round to one decimal place.
In the 1992 presidential election, Alaska's 40 election districts averaged 1980 votes per district for President Clinton. The standard deviation was 573. (There are only 40 election districts in Alaska.) The distribution of the votes per district for President Clinton was bell-shaped. Let X = number of votes for President Clinton for an election district. (Source: The World Almanac and Book of Facts) Round all answers except part e. to 4 decimal places.PLEASE ANSWER C, D AND E AND ROUND TO THE 4 DECIMALc. Find the probability that a randomly selected district had fewer than 2062 votes for President Clinton. d. Find the probability that a randomly selected district had between 2052 and 2347 votes for President Clinton. e. Find the first quartile for votes for President Clinton. Round your answer to the nearest whole number.
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