A random sample has been taken from a normal distribution. Output from a software package is givenbelow:VariablenMeanStDevVarianceSum10?1.6052.576251.848Then the sample mean value and 95% CI on the population mean respectively are:a. Mean = 25.185, p = [24.037 to 26.333]O b. Mean = 25.185, p = [22.037 to 25.333]O c. Mean = 25.185, p = [23.037 to 27.333]Od. None of the mentionedOe. Mean = 2.576, u = [24.037 to 26.333]

Answered: A random sample has been taken from a…

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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This assignment is worth 1 points. The extra point will be added to your overall course grade. For example: if you receive an 88% in the course you can receive up to 1 point giving you a new score of 89%. The following rubric will be used. 0.25 point for drawing the normal distribution curve with the mean value labeled on the curve and the appropriate area shaded. 0.25 point for determining the value of the standard deviation of the sample mean. 0.5 point for finding the correct probability. All work must be shown in order to receive any credit. Please upload your completed assignment here. The length of time taken on the SAT for a group of students is normally distributed with a mean of 2.5 hours and a standard deviation of 0.25 hours. A sample size of n = 60 is drawn randomly from the population. Find the probability that the sample mean is between two hours and three hours.
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