The mean amount of time it takes a kidney stone to pass is 13 days and the standard deviation is 4 days.Suppose that one individual is randomly chosen. Let X = time to pass the kidney stone. Round all answers to4 decimal places where possible.a. What is the distribution of X? X ~ N(b. Find the probability that a randomly selected person with a kidney stone will take longer than 14 days topass it.c. Find the minimum number for the upper quarter of the time to pass a kidney stone.days.

From the given information we find the solution.

Answered: The mean amount of time it takes a…

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 average number of miles driven on a full tank of gas in a certain model car before its low-fuel light comes on is 399. Assume this mileage follows the normal distribution with a standard deviation of What is the probability that, before the low-fuel light comes on, the car will travel between 328 and 348 miles on the next tank of gas? 36 miles. Complete parts a through d below. (Round to four decimal places as needed.
The mean is 146 and the standard deviation is 35. A score of 41 is how many z-scores below the mean?
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For a certain group of individuals, the average heart rate is 74 beats per minute. Assume the variable is normally distributed and the standard deviation is 4 beats per minute. If a subject is selected at random, find the probability that the person has the following heart rate. Use a graphing calculator. Round the answers to four decimal places. Less than 78 beats per minute =
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K Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a standard deviation o=20. Find the probability that a randomly selected adult has an IQ between 89 and 121. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ between 89 and 121 is (Type an integer or decimal rounded to four decimal places as needed.)
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