ntents A study discovered that Americans consumed an average of 12.4 pounds of chocolate per year. Assume that the annual chocolate consumption follows the normal distribution with a standard deviation of 3.2 pounds. Complete parts a through e below. lan a. What is the probability that an American will consume less than 9 pounds of chocolate next year? & Resout 0.1446 (Round to four decimal places as needed.) ssible Res b. What is the probability that an American will consume more than 11 pounds of chocolate next year? 0.6691 (Round to four decimal places as needed.) chase Optic c. What is the probability that an American will consume between 10 and 13 pounds of chocolate next year? mmunicatio (Round to four decimal places as needed.) Enter your answer in the answer box and then click Check Answer. parts 2 femaining Ciear All Type here to search

ntents A study discovered that Americans consumed an average of 12.4 pounds of chocolate per year. Assume that the annual chocolate consumption follows the normal distribution with a standard deviation of 3.2 pounds. Complete parts a through e below. lan a. What is the probability that an American will consume less than 9 pounds of chocolate next year? & Resout 0.1446 (Round to four decimal places as needed.) ssible Res b. What is the probability that an American will consume more than 11 pounds of chocolate next year? 0.6691 (Round to four decimal places as needed.) chase Optic c. What is the probability that an American will consume between 10 and 13 pounds of chocolate next year? mmunicatio (Round to four decimal places as needed.) Enter your answer in the answer box and then click Check Answer. parts 2 femaining Ciear All Type here to search

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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For a certain group of individuals, the average heart rate is 74 beats per minute. Assume the variable is normally distributed and the standard deviation is 4 beats per minute. If a subject is selected at random, find the probability that the person has the following heart rate. Use a graphing calculator. Round the answers to four decimal places. Less than 78 beats per minute =
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Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard deviation σ=15. Find the probability that a randomly selected adult has an IQ between 90 and 120. Click to view page 1 of the table. LOADING... Click to view page 2 of the table. LOADING... Question content area bottom Part 1 The probability that a randomly selected adult has an IQ between 90 and 120 is enter your response here. (Type an integer or decimal rounded to four decimal places as needed.)
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Sketch the distribution and shade the area corresponding to the probability you want to find. Then. find the probability. The average commute time in Orange County is normally distributed and 25% of commuters take more than 30 minutes to commute. The standard deviation of such commutes is 6 minutes. A. What is the average commute time? B. What percentage of commuters takes less than 15 minutes to commute? C. What percentage of commuters takes between 25 and 35 minutes to commute?
The average price of a new one-family home is $180,000 with a standard deviation of $14,000. Find the probability that a randomly selected house will have a price between $150,000 and $200,000. Assume the variable is normally distributed. Write your answer correct to four decimal places. Your Answer: Answer
The average number of kilos of meat a person consumes in a year is 90 kilos. Assume that the standard deviation is 10 kilos and the distribution is approximately normal. If a sample of 45 individuals is selected, find the probability that the mean of the sample will be 87 kilos or greater per year. Express your answer in percent form with 2 decimal places (with percent symbol - e.g. 10.00%) type your answer...
Trucks in a delivery fleet travel a mean of 8080 miles per day with a standard deviation of 3737 miles per day. The mileage per day is distributed normally. Find the probability that a truck drives less than 150150 miles in a day. Round your answer to four decimal places.
Students in a class took a test whose results were normally distributed. The mean score was an 81 and the standard deviation was 4.5. What score is at the 83rd percentile (round to the nearest whole number.) a.84 b.83 c.85 d.86
The average number of kilos of meat a person consumes in a year is 100 kilos. Assume that the standard deviation is 11 kilos and the distribution is approximately normal. If a sample of 40 individuals is selected, find the probability that the mean of the sample will be 105 kilos or greater per year. Express your answer in percent form with 2 decimal places (with the percent symbol - e.g. 10.00%). type your answer... Next