The population mean and standard deviation are given below. Find the indicated probability and determine whether a sample mean in the given range below would be considered unusual. If convenient, use technology to find the probability. For a sample of n = 36, find the probability of a sample mean being less than 12,749 or greater than 12,752 when u = 12,749 ando = 1.4.For the given sample, the probability of a sample mean being less than 12,749 or greater than 12,752 is(Round to four decimal places as needed.)Would the given sample mean be considered unusual?O A. The sample mean would not be considered unusual because there is a probability less than 0.05 of the sample mean beingwithin this range.B. The sample mean would be considered unusual because there is a probability greater than 0.05 of the sample mean beingwithin this range.O C. The sample mean would not be considered unusual because there is a probability greater than 0.05 of the sample meanbeing within this range.D. The sample mean would be considered unusual because there is a probability less than 0.05 of the sample mean being withinthis range.

Answered: For a sample of n = 36, find the…

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 population mean and standard deviation are given below. Find the indicated probability and determine whether a sample mean in the given range below would be considered unusual. If convenient, use technology to find the probability.

For a sample of n = 36, find the probability of a sample mean being less than 12,749 or greater than 12,752 when u = 12,749 and
o = 1.4.
For the given sample, the probability of a sample mean being less than 12,749 or greater than 12,752 is
(Round to four decimal places as needed.)
Would the given sample mean be considered unusual?
O A. The sample mean would not be considered unusual because there is a probability less than 0.05 of the sample mean being
within this range.
B. The sample mean would be considered unusual because there is a probability greater than 0.05 of the sample mean being
within this range.
O C. The sample mean would not be considered unusual because there is a probability greater than 0.05 of the sample mean
being within this range.
D. The sample mean would be considered unusual because there is a probability less than 0.05 of the sample mean being within
this range.

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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