Please answer C as well populatiAfter a . hard work, a studio releases a new video game. The studio believes that the game will be liked by players; in particular, the studio claims that themean player rating, u, will be higher than 90. In a random sample of 34 players, the mean rating is 95.2. Assume the population standard deviation of theratings is known to be 12.7.Is there enough evidence to support the claim that the mean player rating is higher than 90? Perform a hypothesis test, using the 0.05 level of significance.(a) State the null hypothesis H and the alternative hypothesis H,.Ho: 0O O CONFIDENCE INTERVALS AND HYPOTHESIS TESTINGIntroduction to hypothesis tests for the population mean using .Normal DistributionStep 1: Select one-tailed or two-tailed.O One-tailedO Two-tailed03Step 2: Enter the test statistic.(Round to 3 decimal places.)0.2Step 3: Shade the area represented bythe p-value.0.1-Step 4: Enter the p-value.(Round to 3 decimal places.)(c) Based on your answer to part (b), choose what can be concluded, at the 0.05 level of significance, about the claim made by the studio.OCinco the a ushue ie lece than loroualta) the loualof cinmificanco the null hunatheeie in roioeted Sothore in anuahExplanationCheckO 2021 McGraw-Hill Education. All Rights Reserved. Terms of UseIII

Name: Please answer C as well populatiAfter a . hard work, a studio releases
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Description: Please answer C as well populatiAfter a . hard work, a studio releases a new video game. The studio believes that the game will be liked by players; in particular, the studio claims that themean player rating, u, will be higher than 90. In a random s

As per the question we have Hypothesized mean µ = 90 Sample size (n) = 34 Mean x̅ = 95.2 Standard…

Math

Statistics

After a hard work, a studio releases a new video game. The studio believes that the game will be liked by players; in particular, the studio claims that the mean player rating, u, will be higher than 90. In a random sample of 34 players, the mean rating is 95.2. Assume the population standard deviation of the ratings is known to be 12.7. Is there enough evidence to support the claim that the mean player rating is higher than 90? Perform a hypothesis test, using the 0.05 level of significance. (a) State the null hypothesis H and the alternative hypothesis H,. O

After a hard work, a studio releases a new video game. The studio believes that the game will be liked by players; in particular, the studio claims that the mean player rating, u, will be higher than 90. In a random sample of 34 players, the mean rating is 95.2. Assume the population standard deviation of the ratings is known to be 12.7. Is there enough evidence to support the claim that the mean player rating is higher than 90? Perform a hypothesis test, using the 0.05 level of significance. (a) State the null hypothesis H and the alternative hypothesis H,. O

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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Question

Please answer C as well

populati
After a . hard work, a studio releases a new video game. The studio believes that the game will be liked by players; in particular, the studio claims that the
mean player rating, u, will be higher than 90. In a random sample of 34 players, the mean rating is 95.2. Assume the population standard deviation of the
ratings is known to be 12.7.
Is there enough evidence to support the claim that the mean player rating is higher than 90? Perform a hypothesis test, using the 0.05 level of significance.
(a) State the null hypothesis H and the alternative hypothesis H,.
Ho: 0
O<O
OSO
H;: 0
D=0
(b) Perform a Z-test and find the p-value.
Here is some information to help you with your Z-test.
• The value of the test statistic is given by
• The p-value is the area under the curve to the right of the value of the test statistic.
Normal Distribution
Cton 1 Calecton llederb n kalled
Explanation
Check
Privacy
O2021 McGraw-Hill Education. All Rights Reserved. Terms of Use

O CONFIDENCE INTERVALS AND HYPOTHESIS TESTING
Introduction to hypothesis tests for the population mean using .
Normal Distribution
Step 1: Select one-tailed or two-tailed.
O One-tailed
O Two-tailed
03
Step 2: Enter the test statistic.
(Round to 3 decimal places.)
0.2
Step 3: Shade the area represented by
the p-value.
0.1-
Step 4: Enter the p-value.
(Round to 3 decimal places.)
(c) Based on your answer to part (b), choose what can be concluded, at the 0.05 level of significance, about the claim made by the studio.
OCinco the a ushue ie lece than loroualta) the loualof cinmificanco the null hunatheeie in roioeted Sothore in anuah
Explanation
Check
O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use
III

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