A highly selective quiz show wants their participants to have an average score greater than 9O. They want to be able to assert with 95% confidence that this is true in their advertising, and they routinely test to see if the score has dropped below 90.. Select the correct symbols to use in the null [ Select ] v 90. hypothesis for this hypothesis test. Ho: [Select ]

A highly selective quiz show wants their participants to have an average score greater than 9O. They want to be able to assert with 95% confidence that this is true in their advertising, and they routinely test to see if the score has dropped below 90.. Select the correct symbols to use in the null [ Select ] v 90. hypothesis for this hypothesis test. Ho: [Select ]

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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A store owner wanted to determine if more than 5% of customers made a purchase after he sent out a text. He sent out 300 texts to 300 randomly selected customers. Out of those 300, 17 made purchases. Is this evidence that if he sent out texts to all of his customers more than 5% would make purchases? What is the appropriate null and alternative hypothesis? Ho: p= 0.05 Ha: p> 0.05 O Ho: phat = 0.05 Ha: phat > 0.05 O Ho: p= 0.056 Ha: p > 0.056 O Ho: mu = 0.05 Hla: mu > 0.05
Suppose that in a random selection of 100 colored candies, 23% of them are blue. The candy company claims that the percentage of blue candies is equal to 29%. Use a 0.05 significance level to test that claim. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p=0.29 H1: p>0.29 O B. Ho: p#0.29 H1:p=0.29 O C. Ho: p=0.29 H1:p#0.29 OD. Ho: p=0.29 H1:p<0.29 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is . (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is (Round to three decimal places as needed.) Identify the conclusion for this hypothesis test. O A. Reject Ho. There is sufficient evidence to warrant rejection of the claim that the percentage of blue candies is equal to 29% O B. Fail to reject Ho. There is sufficient evidence to warrant rejection of the claim that the percentage of blue candies is equal to 29%
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Did I calculate this correctly? Thank you.
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The null hypothesis in the test for goodness of fit is that a. the data fit the expected frequencies. b. the data do not fit the expected frequencies. c. the variables are independent. d. the variables are dependent.
The figure to the right shows the results of a survey in which 1025 adults from Country A, 1002 adults from Country B, 1000 adults from Next question from Country D, and 1022 adults from Country E were asked whether national identity is strongly tied to birthplace. ults National Identity and Birthplace People from different countries who believe national identity is strongly tied to birthplace Country A 38% Country B 19% Country C 28% Country D 45% Country E 13% Construct a 95% confidence interval for the population proportion of adults who say national identity is strongly tied to birthplace for each country listed. The 95% confidence interval for the proportion of adults from Country A who say national identity is strongly tied to birthplace is ( A D (Round to three decimal places as needed.) Clear all Chec View an example Get more help - Help me solve this MacBook Air 10 业 F7 80 F6 F4 F3 F2 esc & 23 $ % 8 @ 4 5 1 2 3 Y つ