You may need to use the appropriate appendix table to answer this question.Suppose that the mean daily viewing time of television is 8.35 hours. Use a normal probability distribution with a standarddeviation of 2.5 hours to answer the following questions about daily television viewing per household(a) What is the probability that a household views television between 5 and 11 hours a day? (Round your answer to fourdecimal places.)8145(b) How many hours of television viewing must a household have in order to be in the top 3% of all television viewinghouseholds? (Round your answer to two decimal places.)13.49]× hrs(c) What is the probability that a household views television more than 3 hours a day? (Round your answer to four decimalplaces.)9099

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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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You may need to use the appropriate appendix table to answer this question. Suppose that the average price for a gallon of gasoline in the Country A is $3.74 and in Country B it is $3.40. Assume these averages are the population means in the two countries and that the probability distributions are normally distributed with a standard deviation of $0.25 in the Country A and a standard deviation of $0.20 in Country B. (a) What is the probability that a randomly selected gas station in Country A charges less than $3.50 per gallon? (Round your answer to four decimal places.) (b) What percentage of the gas stations in Country B charge less than $3.50 per gallon? (Round your answer to two decimal places.) (c) What is the probability that a randomly selected gas station in Country B charged more than the mean price in the Country A? (Round your answer to four decimal places.)
Please read the question because the question is asking for more than one thing. Thank you.
Also how much do the top 10% of customers spend?
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.
The time between arrivals of vehicles at a particular intersection follows an exponential probability distribution with a mean of 12 seconds. A. IN EXCEL sketch this exponential distribution, and Standard deviation. B. IN EXCEL What is the probability that the arrival time between vehicles is 12 seconds or less. C. IN EXCEL What is the probability that the arrival time between vehicles is 6 seconds or less.
IQ scores are normally distributed with a mean of 100 and standard devation of 15. find the probability of having an IQ between 136 and 142.
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...
A stock can earn a return of 10%, 15%, -5%, or 0%, each with a known probability of 25%. What is the standard deviation of this stock's return? Select one: O a. .025 b. .079 c..05 d. .00625 e..0913
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?
Assume that the number of days from conception to birth is normally distributed with a mean of 258 days and a standard deviation of 10 days. What is the probability that my pregnancy will be between 238 and 278 days? O 75 85 47.5 98 O 95
Suppose scores on an examination are normally distributed. If the examination scores have a mean 60% and a standard deviation of 15%, what is the probability that a student who takes the examination will score between 80% and 90%? I need answer ASAP. Thank you!
Solve the problem.Assume that male Siberian huskies' weights are normally distributed with a mean of 63.6 pounds and a standard deviation of 2.5 pounds. If 90 male Siberian huskies are randomly selected, find the probability that they have a mean weight between 62.9 pounds and 64.0 pounds.

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