A laptop company claims up to 11.5 hours of wireless web usage for its newest laptop battery life. However, reviews on this laptopshows many complaints about low battery life. A survey on battery life reported by customers shows that it follows a normaldistribution with mean 10.5 hours and standard deviation 36 minutes. What is the time (in hours) of use that is exceeded withprobability 0.9? Round your answer to two decimal places (e.g. 8.76).Answer is Blank 1

Given that mu = 10.5,sigma =36, p(X> x ) =0.9 x =?

Answered: A laptop company claims up to 11.5…

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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On May 16, 2017, Verdun Hayes of Somerset, Great Britain set a new Guinness World Record: the oldest ever skydiver. The World War II veteran, who fought on the beaches of Normandy in 1944, set a new record when he skydived at age 101. Suppose the ages of all skydivers follow a normal distribution with mean 52.8 years and standard deviation 10.3 years. Based on this distribution, how old must a skydiver be to fall in the top 1.32% of the distribution? 75.033 75.669 72.242 29.931
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Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?
On May 16, 2017, Verdun Hayes of Somerset, Great Britain set a new Guinness World Record: the oldest ever skydiver. The World War II veteran, who fought on the beaches of Normandy in 1944, set a new record when he skydived at age 101. Suppose the ages of all skydivers follow a normal distribution with mean 47.8 years and standard deviation 12.6 years. Based on this distribution, how old must a skydiver be to fall in the top 2.62% of the distribution? 29.931 75.669 75.033 72.242 Previous C 4 Address Next
Traveling between University of Santo Tomas and Rizal Park, Manila via shuttle bus takes, on average, 28 minutes with a standard deviation of 10 minutes. In a given time, a bus transported passengers 40 times. What is the probability that the average transport time was greater than 30 minutes? Assume the mean time is measured to the nearest minute.
Traveling between University of Santo Tomas and Rizal Park, Manila via shuttle bus takes, on average, 31 minutes with a standard deviation of 5 minutes. In a given time, a bus transported passengers 45 times. What is the probability that the average transport time was less than 30 minutes? Assume the mean time is measured to the nearest minute
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A particular fruit's weights are normally distributed, with a mean of 439 grams and a standard deviation of 7 grams. If you pick one fruit at random, what is the probability that it will weigh between 422 grams and 441 grams. Round your answer to three decimal places.

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