Assume that the mean systolic bloodpressure of normal adults is 125 millilitersof mercury (mL Hg) and the standarddeviation is 5.9. Assume the variable isnormally distributed. If a sample of 30adults is randomly selected, find theprobability that the individual's pressurewill be between 123 and 127.5 mL Hg.Please show all work below, showing howyou got to your answer.

Given,mean(μ)=125standard deviation(σ)=5.9sample size(n)=30

Answered: Assume that the mean systolic blood…

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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The weight of newborn babies is normally distributed, with a mean of 3.5 kilograms and a standard deviation of 0.23 kilograms. Find the weight that 14% of newborn babies weigh more than. Round your answer to 2 decimal places. kg
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The sample mean X is to be used to estimate the mean u of a normal distribution with standard deviation 4 inches. How large a sample should be taken in order chat, with 90% probability, the estimate will be in error by at most one-half inch?
In a normal distribution, x = 5 and 2=-1.25. This tells you that x = standard deviations to the (right or left) of the mean.
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Find the area, square unit, to the nearest thousandth of the standard deviation between the given z-scores. Z equals 1.12 and z equals 1.73.
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Determine the following and shade the area of interest under the curve for each problem. Make sure you label your x-axis on the plot and label information on the plot which describes the problem. Box your final answers. A farmer measured the weights of a crop of Vidalia sweet onions. The mean weight of a single onion was 0.5 lb with a standard deviation of 0.03 lb. Assume the weights of the onions had a normal distribution. What is the probability that an onion in this batch will weigh less than 0.455 lb?

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