Assume that X has a normal distribution, and find the indicated probability.7) The mean is μ = 15.2 and the standard deviation is o = 0.9.Find the probability that X is between 14.3 and 16.1.A) 0.1587B) 0.6826C) 0.8413D) 0.34137)

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Answered: Assume that X has a normal…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Assume that adults have IQ scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20 . Find the probability that a randomly selected adult has an IQ less than 95 a. Find the z-score: z = nothing (round to 2 decimal places) b. Find the probability: nothing (use 4 decimal places)
Solve for the mean and standard deviation of the following Binomial distributions. a. n = 20 and p = 0.70 b. n = 70 and p = 0.35 c. n = 100 and p = 0.50
SOLGE FOR LETTER D and E Klingons consume a mean of μ = 15 ounces of coffee per day, with a standard deviation σ = 2 ounces. Assume the distribution is normal. The probability that a randomly chosen Klingon consumes the following amounts of coffee per day: Less than 15 ounces = 0.500 More than 17 ounces = 0.1587 Between 17 and 19 ounces = 0.1359 SOLVE FOR LETTERS D AND E d. Find the amount of coffee x greater than 95% of all values of x e. Find the amount of coffee x less than 95% of all values of x
The systolic blood pressure (given in millimeters) of males has an approximately normal distribution with mean µ = 125 and standard deviation σ = 14. Systolic blood pressure for males follows a normal distribution. a. Calculate the z-scores for the male systolic blood pressures 102 and 149 millimeters. Round your answers to 2 decimal places. z-score for 102 millimeters: z-score for 149 millimeters: Find the probability that a randomly selected male has a systolic blood pressure between 102 and 149. Round your answer to 4 decimal places.
Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the probability of a bone density test score between -1.96 and 1.96. The probability is _____ (Round to four decimal places as needed.)
A population has a mean of and standard deviation of 12. A sample of 36 observations will be taken . The probability tha the sample mean will be between 80.54 and 88.9 is A 0.7200 O B 0.0347 C 0.9511 D 8.3600
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A subway train arrives every eight minutes during rush hour. We are interested in the length of time a commuter must wait for a train to arrive. The time follows a uniform distribution. a. Find the mean, μ = b. Find the standard deviation, σ = Round to the nearest tenth.
A normal distribution has a mean of µ = 50 with σ = 30. If one score is randomly selected from this distribution, what is the probability that the score will have a value between X = 50 and X = 80? Select one: a. 0.6826 b. 0.3413 c. 0.8413 d. 0.1587
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Assume that X has a normal distribution, and find the indicated probability. 7) The mean is μ = 15.2 and the standard deviation is a = 0.9. Find the probability that X is between 14.3 and 16.1. A) 0.1587 B) 0.6826 C) 0.8413 D) 0.3413