A survey was conducted to measure the heights of Filipino men. The heights of the respondents were found tobe normally distributed, with a mean of 65.4 inches and a standard deviation of 2.9 inches. A study participantis randomly selected.Find the probability that his height is less than 61 inches.[Select]Find the probability that his height is more than 72 inches. [Select].If there were a total of 500 respondents, how many of them are expected to be more than 72 inches tall?[Select]Find the probability that his height is between 68.5 and 70 inches. [Select].How tall is the tallest among the shortest 65% of the respondents? Equivalently, if X is the height of a= 0.65. [Select]respondent, find k such that P(X < k) =

According to the given information in this question There are five subparts according to bartleby…

Answered: A survey was conducted to measure the…

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 average salary for teachers is $50,000 with a std. deviation of $5,000. Find probability of randomly selecting a teacher that makes: between $35,000 and $45,000| b more than $45,000 per year a 0.167, 0.881 0.147 , 0.811 0.157, 0.841 0.137, 0.861
Suppose that the distance of fly balls hit to the outfielder ( in baseball) is normally distributed with a mean of 250 feet and a standard deviation of 50 feet. We randomly sample 49 fly balls.a. In words define the random variable. X________.b. What is the probability that the 49 balls traveled an average at least of 240 feet. Include a complete shaded graph, and write the probability statement. c. Find the 90th percentile of the distribution of the average of 49 fly balls.
Suppose Michigan is favored by 17.5 points over Indiana. If you bet a “unit” on Indiana and Indiana loses by 17 or less, you win $10. If Indiana loses by 18 or more points, you lose $11. Note: Both Michigan and Indiana are NCAA Basketball teams. 1)Find the mean and standard deviation of your winnings on a single bet. Assume that there is a 0.5 probability that you will win your bet and a 0.5 probability that you will lose your bet.
McPhilly is conducting a study on the amount of money a customer spends on each visit to the restaurant. The company looks at the receipts from 20 McPhilly restaurants. The company found that the mean amount spent is $11 with a $3 standard deviation. a. What type of sampling method was used? b. What is the probability that a customer spend greater than $8 each visit? c. What is the probability that a customer spends less than $13 each visit? d. The customers were asked to respond to the following survey question, determine if the question is biased. Explain why or why not? "What menu item gives you the best value?
The length of the long-distance calls made by the employees of a certain company are normally distributed with a mean of 6.3 minutes and a standard deviation of 2.5 minutes. Find the probability that a call will last between 5 and 10 minutes. A. .3897 B. .1788. C. .6290. D. .6308
e) Suppose that weekly household expenditures on petrol are normally distributed, with a mean of $120 and a standard deviation of $50. i. A family is randomly selected. Find the probability that this family spends more than $245 per week on petrol? A 2.5 B 0.0062 C 0.9938 D 0.0202 ii. The government wants to promote public transport and will award a prize to the families who spend the lowest amount on petrol. If the government only wants to give a prize to 10% of households, what is the most that a family is allowed to spend on petrol each week to obtain the prize? A $56 B $184 C $3.50 D $217.60 In a sample of 25 families, what is the probability that the average weekly expenditure on petrol will be less than $105? ii. A 0.0668 B 0.9332 C 0.3821 D 0.6179
7a. Suppose you go to Alaska in February where the chance of snow is .90 (90 percent). You are there for two days. Make the probability distribution associated with this experience. b. Find the mean, variance, and standard deviation for number 7.

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