Summer high temperatures are distributed normally with a mean of 96.9 and a standard deviation of 3.9.NOTE: Round your z-score to 2 decimal places before calculating a probability.What is the summer high temperature that is the 49th percentile of this distribution?9798.896.895None of the aboveWhat is the probability that a randomly selected summer day has a high temperature of 98?0.86210.61030.137900.3897What is the probability that a randomly selected summer day has a high temperature greater than 98?0.610300.38970.13790.8621What is the probability that a randomly selected group of 15 summer days have an average high temperaturegreater than 98?0.13790.86210.610300.3897

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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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Quiz Module 1 In a psychology class, 50 students have a mean score of 93 on a test. Then 27 more students take the test and their mean score is 67.9.What is the mean score of all of these students together? Round to one decimal place.mean of the scores of all the students =
1 point A study indicates that the weights of adults are normally distributed with a mean of 72 kg and a standard deviation of 8 kg. What is the probability that a randomly selected adult weighs between 65 kg and 77 kg? ) 0.3106 O 0.5463 O 0.0749 0.2357 pair
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Forerunners competing in a marathon the meantime to run a mile is 4.2 minutes of the population standard deviation of 16 minutes news reporters looking to inclusive Jesse Flores article about bass runners had a marathon a random sample of 31 runners was taken and the probability that the meantime to run a mile for the sample will be less than 3.9
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ccording to a study done by UCB students, the height for Martian adult males is normally distributed with an average of 67 inches and a standard deviation of 2.5 inches. Suppose one Martian adult male is randomly chosen. Let X = height of the individual. Round all answers to 4 decimal places where possible.b. Find the probability that the person is between 64.2 and 65.8 inches. c. The middle 20% of Martian heights lie between what two numbers?Low: inchesHigh: inches

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