Running speed for adult men of a certain age group is known to follow a normal distribution,with mean 5.5 miles per hour and standard deviation 0.7. Jim claims he run faster than 80%of adult men in this age group. What speed would he need to be able to run for this to be thecase?Give your answer accurate to̟two digits past the decimal point.Answer:What is the probability that a randomly selected man from the certain age group runs slowerthan 6.55 mph ?O a. 0.5O b. 0.9332O c. 0.0668O d. 0.1273e. 0.6915

Answered: Image /qna-images/answer/b5fa8b2c-8675-4be0-bbf0-489d6b24aaa4.jpg

Answered: Running speed for adult men of 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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60% of all the students passed an exam. If a random sample of 10 students is selected, What is the mean and the standard deviation ?
Type in your answer below: As in the previous question, female's pulse rates are normally distributed with a mean 74 beats per minute and a standard deviation 12.5 beats per minute. Find the probability that a female has a pulse rate between 60 beats per minute and 70 beats per minute. You can use a calculator or table A-2 in your textbook. Round your answer to three decimal places.
answer part b only. it is not 29.665
Use technology to solve the following problem: A normal population has a mean = 31 and standard deviation = 7. What is probability that a randomly chosen value will be greater than 18?
The price of lunch at the mall has a mean of $5.00. The standard deviation is $1.50. What is the probability of spending less than $5.62? 0.6603 1.000 0.5000 0.3397
Citizens use an average of 650 pounds of paper a year. Suppose that the distribution is normal with a population standard deviation of 153.5 pounds. Suppose you take a random sample of 25 Citizens. What is the probability that the mean pounds of paper used in a year are between 500 and 700 pounds
The annual per capita consumption of ice cream (in pounds) in the United States can be approximated by a normal distribution with mean of 20.7 Ibs and a standard deviation of 4.2 Ibs. Find the probability that the population consumes at most 10 lbs yearly? Answer in a complete sentence in context.
Suppose you pay $500 per year to insure your car worth $10,000. The probability that you get in an accident, totaling the car, in any year is 0.001. Find your standard deviation for the insurance. Round your answer to the nearest dollar.
A study found that student weights averaged 87.3lb with a SD = 4lb. What is the 2-decimal % probability that an individual student will weight below 85 lb? What is the 2-decimal % probability that a group of 35 students will have a mean weight of over 88 lb?
Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?
The NJ Department of Health has reported the average life span of NJ residents is 81 years. If the standard deviation is σ = 4 years, what is the probability of a person living to at least 92 years of age?
ents this quarter: The Environmental Protection Agency (EPA) fuel economy estimates for automobile models tested recently predicted a mean of 25.8 miles per gallon, with a standard deviation of 5.2 miles per gallon. Assume that a Normal model applies. Find the probability that a randomly selected automobile will average: 1. Less than 21 miles per gallon. 2. More than 15 miles per gallon. 3. Between 24 and 30 miles per gallon. ular paper, making sure to number each problem so I know what work goes with which problem. e sure to complete and sign the academic honesty statement for each assignment you complete this quarter. If you a nvas. Make sure to check your f6ler for legibility and completeness before unlnading

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