1 Suppose the data on natural birth weights (collected by the World Health Organization (WHO)is normally distributed with the mean equal to 7.25 pound for a full-term birth and standarddeviation of 1.0 pounds. What is the probability that a randomly selected baby will weigh morethan 9.75 pounds at birth?

Standard normal distribution:The standard normal distribution is a special case of normal…

Answered: 1 Suppose the data on natural birth…

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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A report in 2010 indicates that Americans between the ages of 8 and 18 spend an average of u = 7.5 hours per day using some sort of electronic device such as smart phones, computers, or tablets. Assume that the distribution of times is normal with a standard deviation of g = 2,5 hours and find the following values. a. What is the probability of selecting an individual who uses electronic devices more than 12 hours a day?
The mean cost of domestic airfares in the United States rose to an all-time high of $400 per tícket. Airfares were based on the total ticket value, which consisted of the price charged by the airlines plus any additional taxes and fees. Assume domestic airfares are normally distributed with a standard deviation of $110. Use Table 1 in Appendix B. a. What is the probability that a domestic airfare is $535 or more (to 4 decimals)? b. What is the probability that a domestic airfare is $245 or less (to 4 decimals)? c. What if the probability that a domestic airfare is between $300 and $500 (to 4 decimals)? d. What is the cost for the 3% highest domestic airfares? (rounded to nearest dollar) or Select your answer -
The mean cost of domestic airfares in the United States rose to an all-time high of $400 per ticket. Airfares were based on the total ticket value, which consisted of the price charged by the airlines plus any additional taxes and fees. Assume domestic airfares are normally distributed with a standard deviation of $110. Use Table 1 in Appendix B. a. What is the probability that a domestic airfare is $560 or more (to 4 decimals)? b. What is the probability that a domestic airfare is $240 or less (to 4 decimals)? c. What if the probability that a domestic airfare is between $300 and $470 (to 4 decimals)? d. What is the cost for the 4% highest domestic airfares? (rounded to nearest dollar)$ or - Select your answer -morelessItem 5
The mean cost of domestic airfares in the United States rose to an all-time high of $400 per ticket. Airfares were based on the total ticket value, which consisted of the price charged by the airlines plus any additional taxes and fees. Assume domestic airfares are normally distributed with a standard deviation of $100. Use Table 1 in Appendix B. a. What is the probability that a domestic airfare is $545 or more (to 4 decimals)? b. What is the probability that a domestic airfare is $255 or less (to 4 decimals)? c. What if the probability that a domestic airfare is between $320 and $510 (to 4 decimals)? d. What is the cost for the 3% highest domestic airfares? (rounded to nearest dollar) or - Select your answer -
A standard I.Q. test produce normally distributed results with a mean of 100 and a standard deviation of 15 for the city of New York. What is the probability that the I.Q below 67?
Suppose that the number of gallons of milk sold per day at a local supermarket are normally distributed with mean and standard deviation of 424.7 and 21.47, respectively. What is the probability that on a given day the supermarket will sell above 440 gallons of milk?
According to data from the U.S. Army the average foot length of women as normally dis-tributed with a mean of 9.6 inches and a standard deviation of 0.5 inches. Find the probability that a randomly selected woman has a foot length less then 10.0 inches.
The mean cost of domestic airfares in the United States rose to an all-time high of $380 per ticket. Airfares were based on the total ticket value, which consisted of the price charged by the airlines plus any additional taxes and fees. Assume domestic airfares are normally distributed with a standard deviation of $115. Use Table 1 in Appendix B. 1. What is the probability that a domestic airfare is $535 or more (to 4 decimals)? 2.What is the cost for the 3% highest domestic airfares? (rounded to nearest dollar)
Suppose that in a large population of women (aged 20 to 29-years-old) that the mean serum cholesterol level is 183 mg/dl and the standard deviation is 37. Find the probability that a sample of size 60 from this population will yield a mean cholesterol level. Greater than 190
The mean cost of domestic airfares in the United States rose to an all-time high of $385 per ticket. Airfares were based on the total ticket value, which consisted of the price charged by the airlines plus any additional taxes and fees. Assume domestic airfares are normally distributed with a standard deviation of $115. Use Table 1 in Appendix B. a. What is the probability that a domestic airfare is $545 or more (to 4 decimals)? 0.0821 b. What is the probability that a domestic airfare is $240 or less (to 4 decimals)? 0.1037 c. What if the probability that a domestic airfare is between $320 and $510 (to 4 decimals)?
Assume that cans of Coke are filled so that the actual amounts have a mean of 12.00 oz and a standard deviation of 0.11 oz. However, 36 random cans of coke were selected and found to have a mean of 12.19 oz. Find the probability that a single can of Coke has at least 12.19 oz.
Suppose that heights of 10-year-old boys in the US vary according to a normal distribution with mean of 138 cm and standard deviation of 7. What is the probability that the height of a randomly selected boy is greater than 145 cm?0.1357 0.1151 0.1841 0.1587

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