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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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Please help me solve part A on statcrunch, please and thank you!

The test statistic of z=−3.07 is obtained when testing the claim that p<0.62.

a. Using a significance level of α=0.01, find the critical value(s).

b. Should we reject H0 or should we fail to reject H0?

Click here to view page 1 of the standard normal distribution table.

Click here to view page 2 of the standard normal distribution table.

a. The critical value(s) is/are

z=negative ______________????????

(Round to two decimal places as needed. Use a comma to separate answers as needed.)

b. Choose the correct conclusion below.

Reject

H0.

There

is not

sufficient evidence to support the claim that

p<0.62.

Reject

H0.

There

sufficient evidence to support the claim that

p<0.62.

Your answer is correct.

Fail to reject

H0.

There

is not

sufficient evidence to support the claim that

p<0.62.

Fail to reject

H0.

There

sufficient evidence to support the claim that

p<0.62.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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