Assume that the length of time between charges of a particular cell phone isnormally distributed with a mean of 32 hours and a standard deviation of 3 hours.Find the probability that the cell phone will last between 28 and 38 hours betweencharges.SHOW YOUR WORKParagraphBIU A+ v...!!!lili

Given data: Mean = 32 hours Standard deviation = 3 hours To find: The probability that the cell…

Answered: Assume that the length of time between…

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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Similar questions

Assume that adults have IQ scores that are normally distributed with a mean of mu = 100 and a standard deviation sigma = 20. Find the probability that a randomly selected adult has an IQ between 84 and 116 and type an integer or decimal rounded to four decimal places. Make sure to use the positive or negative z score charts attached, in the eBook on MSL, or in a hardcopy of the textbook.
The scores of students on a standardized test form a normal distribution with a mean of 300 and a standard deviation of 40. Using the fact that the middle 50% of the data falls within .67 standard deviations from the mean, find the lower and upper quartile scores for this test.
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.1 years, and standard deviation of 2.2 years. The 8% of items with the shortest lifespan will last less than how many years? Please show your answer to one decimal place. # of years =
The mean of a distribution is 15 and the standard deviation is 3. Use Chebyshev's Theorem and the formula 1 - 1 / (k ^ 2) to determine the minimum percentage of values that will fall between 9 and 21
The lifetime of a DVD player is normally distributed with a mean of 8 years and a standard deviation of 38 months. What is the probability that the DVD player that you just bought will last longer than 12 years (144 months) (please round your answer to 4 decimal places)
Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0 degrees * C and a standard deviation of 1.00 degrees * C . A single thermometer is randomly selected and tested. Find the probability of obtaining a reading less than - 1.388 degrees * C . If this can be done on the calculator, please explain.
The life of light bulbs is distributed normaly, The variance of the lifetime is 900 and the mean lifetime of a bulb is 550 hours. Find the probablty of abulb lasting forat least 583 hours. Round your anvwer to four decimal places

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