A boiler has four identical relief valves. The probability that any particular valve will open on demand is 0.95. Assumeindependent operation of the valves.Calculate P(at least one valve opens). (Round your answer to eight decimal places.)Calculate P(at least one valve fails to open). (Round your answer to four decimal places.)

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Answered: A boiler has four identical relief…

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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The odds in favor of Michael Jordan making a free throw were 21:4. Find the probability of Michale Jordan missing a free throw. Give answer as a decimal to the nearest hundredth.
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Traffic passes through a junction at an average rate of 4 vehicles per hour. Calculate the probability that no vehicles pass through the junction in a 15- minute period. Give your answer to three decimal places. Answer:
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The mean percent of childhood asthma prevalence in 43 cities is 2.38%. A random sample of 30 of these cities is selected. What is the probability that the mean childhood asthma prevalence for the sample is greater than 2.8%? Interpret this probability. Assume that o = 1.25%. The probability is (Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. About % of samples of 43 cities will have a mean childhood asthma prevalence greater than 2.8%. O B. About % of samples of 30 cities will have a mean childhood asthma prevalence greater than 2.38%. O C. About % of samples of 30 cities will have a mean childhood asthma prevalence greater than 2.8%. Click to select your answer(s). P Type here to search 99+ a (? 1:42 PM 4/11/2021 ho insen 144 ese & t backspace %23 3. %24 4 6. 8 2. Y W tab H. J. K pase 5 R
A basketball player estimates that he makes 58 % of the free throws he takes. If he takes 15 shots, find the probability that he makes 11 of the 15 shots. (Report answer accurate to 4 decimal places.)
Customers using a self-service soda dispenser take an average of 16 ounces of soda with an SD of 4 ounces. Assume that the amount would be normally distributed. What is the chance that a randomly selected customer takes over 14 ounces of soda? Write your answer below in 4 decimal places. Answer:
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