PLEASE ANSWER part 4 & 5Since you have posted a question with multiple sub-parts, we will solve first three subparts for you. To get the remaining sub-parts solved, please repost the complete question and mention the sub-parts to be solved.”.State the null and alternative hypothesesCalculate the expected results for the hypothesis test assuming the null hypothesis is true and determine the hypothesis test model , i.e., “cut-off” critical values etc.Formulate the decision rule, i.e., include “one-tail ”left, or “one-tail” right, or “two-tail” determination etc.Determine the experimental outcome.Determine the conclusion, and answer the question(s) posed in the problem, if any. (10) An astronomer is testing the claim that the mean brightness of a certain star is nowmore than 30 units. The astronomer is able to get 6 readings on the star during anexperiment as shown in the table. Using a 1% level of significance, does this indicatea new mean brightness of more than 30?ReadingBrightness1.302.303.294.315.326.33

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Answered: (10) An astronomer is testing the claim…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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PLEASE ANSWER part 4 & 5

Since you have posted a question with multiple sub-parts, we will solve first three subparts for you. To get the remaining sub-parts solved, please repost the complete question and mention the sub-parts to be solved.”.

State the null and alternative hypotheses
Calculate the expected results for the hypothesis test assuming the null hypothesis is true and determine the hypothesis test model , i.e., “cut-off” critical values etc.
Formulate the decision rule, i.e., include “one-tail ”left, or “one-tail” right, or “two-tail” determination etc.
Determine the experimental outcome.
Determine the conclusion, and answer the question(s) posed in the problem, if any.

(10) An astronomer is testing the claim that the mean brightness of a certain star is now
more than 30 units. The astronomer is able to get 6 readings on the star during an
experiment as shown in the table. Using a 1% level of significance, does this indicate
a new mean brightness of more than 30?
Reading
Brightness
1.
30
2.
30
3.
29
4.
31
5.
32
6.
33

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