poThe number of failures of a testing instrument from contamination particleson the product is a Poisson Random Variable with a mean of 0.03 failure perhour. What is the probability of at most one failure in a 24- hour day?0.5132480.837210.162786NoneA Moving to another question will save this response.84°F Mostly sunnyDELL近

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Honey Blonde Lace F... Pf iCampus Login Bb Week 11 - MAT3004... A ALEKS - Shasia Gibb... O RANDOM VARIABLES AND DISTRIBUTIONS Shasia v Central limit theorem: Sample mean A study of college football games shows that the number of holding penalties assessed has a mean of 2.3 penalties per game and a standard deviation of o.9 penalties per game. What is the probability that, for a sample of 40 college games to be played next week, the mean number of holding penalties will be 2.35 penalties per game or more? Carry your intermediate computations to at least four decimal places. Round your answer to at least three decimal places. Aa Explanation Check O 2021 MCGraw-HIII Education. All Rights Reserved. Terms of Use | Privacy | Accessibility II
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Tire lifetimes: The lifetime of a certain type of automobile tire (in thousands of miles) is normally distributed with mean µ= 39 and standard deviation o = 4. Use the TI-84 Plus calculator to answer the following. (a) What is the probability that a randomly chosen tire has a lifetime greater than 47 thousand miles? (b) What proportion of tires have lifetimes between 35 and 43 thousand miles? (c) What proportion of tires have lifetimes less than 44 thousand miles? Round the answers to at least four decimal places. Part: 0 / 3 Part 1 of 3 The probability that a randomly chosen tire has a lifetime greater than 47 thousand miles is Submit Assignment Next Part © 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy 85 F ch
In a log normal distribution. What is the expected value of the mean and the Std. And what is the variance
Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 53 tons of coal into each car. The actual weights of coal loaded into each car are normally distributed, with mean u = 53 tons and standard deviation o = 1.3 ton. n USE SALT (a) What is the probability that one car chosen at random will have less than 52.5 tons of coal? (Round your answer to four decimal places.) (b) What is the probability that 42 cars chosen at random will have a mean load weight x of less than 52.5 tons of coal? (Round your answer to four decimal places.)
Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 70 tons of coal into each car. The actual weights of coal loaded into each car are normally distributed, with mean u = 70 tons and standard deviation o = 1.4 ton. n USE SALT (a) What is the probability that one car chosen at random will have less than 69.5 tons of coal? (Round your answer to four decimal places.) (b) What is the probability that 30 cars chosen at random will have a mean load weight x of less than 69.5 tons of coal? (Round your answer to four decimal places.) (c) Suppose the weight of coal in one car was less than 69.5 tons. Would that fact make you suspect that the loader had slipped out of adjustment? O Yes O No Suppose the weight of coal in 30 cars selected at random had an average x of less than 69.5 tons. Would that fact make you suspect that the loader had slipped out of adjustment? Why? O Yes, the probability that…
Men's heights are approximately normally distributed with mean 70 inches and standard deviation 1.9 inches. In what range is the probability that a randomly chosen man is under 5' 7" (that is, 67 inches)? [Select] 4 What is the probability that a random sample of ten men have average height under 67 inches? [Select]
Exercise 06.41 (Normal Probability Distribution) Question 15 of 16 ► Hint(s) Check My Work According to the National Association of Colleges and Employers, the 2015 average starting salary for new college graduates in health sciences was $51,541. The average starting salary for new college graduates in business was $53,901 (National Association of Colleges and Employers website). Assume that starting salaries are normally distributed and that the standard deviation for starting salaries for new college graduates in health sciences is $11,000. Assume that the standard deviation for starting salaries for new college graduates in business is $15,000. a. What is the probability that a new college graduate in business will earn a starting salary of at least $65,000 (to 4 decimals)? b. What is the probability that a new college graduate in health sciences will earn a starting salary of at least $65,000 (to 4 decimals)? c. What is the probability that a new college graduate in health sciences…
The top-selling Red and Voss tire is rated 80000 miles, which means nothing. In fact, the distance the tires can run until wear- out is a normally distributed random variable with a mean of 92000 miles and a standard deviation of 8000 miles. A. What is the probability that the tire wears out before 80000 miles? Probability = Round to four decimals CS Scanned with CamScanner
A production line in a factory, assembles laptops. A random sample of assembly time of 36 laptops has been drawn from this factory. Suppose, the population distribution has a mean assembly time of 25 minutes and standard deviation 6 minutes. What is the probability that a sample mean is 26 minutes? Select one: O'O E b. =P(Z>1) C. =P(Z=o) d. =P(Z<1) e. None of the others ge Next page

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2 po The number of failures of a testing instrument from contamination particles on the product is a Poisson Random Variable with a mean of 0.03 failure per hour. What is the probability of at most one failure in a 24 - hour day? 0.513248 0.83721 0.162786 None