Suppose that in a random selection of 100 colored candies, 28% of them are blue. The candy company claims that the percentage of blue candies is equal to 22%. Use a 0.10 significance level to test that claim. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p= 0.22 H1:p#0.22 O B. Ho: p=0.22 H1: p<0.22 OC. Ho: p=0.22 H4:p>0.22 O D. Ho: p#0.22 H;: p=0.22 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.)

Suppose that in a random selection of 100 colored candies, 28% of them are blue. The candy company claims that the percentage of blue candies is equal to 22%. Use a 0.10 significance level to test that claim. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p= 0.22 H1:p#0.22 O B. Ho: p=0.22 H1: p<0.22 OC. Ho: p=0.22 H4:p>0.22 O D. Ho: p#0.22 H;: p=0.22 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.)

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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Q2. A survey is made asking people that they dinned out in the New Year Eve. Males and female are asked if they remember the name of restaurant that visited in the last new year eve. The reason of the survey to find out if there is a relation between the person's ability to recall and the gender. Use the significance level a = 0.025 to make a hypothesis test. Female Male 52 44 Can Recall Can Not Recall 23 40 APPENDIX G 859 APPENDIX G Values of X for Selected Probabilities fo2t x x²=9.2363 PROBABILITIES (OR AREAS UNDER CHI-SQUARE DISTRIBUTION CURVE ABOVE GIVEN CHI-SQUARE VALUES) 0.95 0.90 0.10 0.05 0.025 0.01 0.005 Values of Chi-Squared 0.995 0.99 0975 of 0.0158 27055 1 0.0000 0.0002 00010 0.0039 0.0158 27055 38415 50239 6.6349 7.8794 2 0.0100 0.0201 0.0506 0.1026 02107 46052 59915 7.3778 9.2104 10.5965 3 0.0717 0.1148 02158 0.3538 0.5844 6.2514 7.8147 9.3484 11.3449 12.8381 4 0.2070 0.2971 0.4844 0.7107 10636 7.7794 9.4877 11.1433 13.2767 14.8602 5 04118 0.5543 08312 1.1455 1.6103…
Suppose that a difference between two groups mean is examined. In the language of statistics, the null hypothesis (Ho) is a statement that is there is: O A. None of these O B. no difference between the sample means. O C.a difference between the population means. O D. no difference between the population means. O E. a difference between the sample means.
how do i solve for parts b, d, and e?
A poll of 2,122 randomly selected adults showed that 93% of them own cell phones. The technology display below results from a test of the claim that 92% of adults own cell phones. Use the normal distribution as an approximation to the binomial distribution, and assume a 0.05 significance level to complete parts (a) through (e). Test of p = 0.92 vs p *0.92 Sample X 1 N 2,122 1970 Sample p 0.928369 95% CI The P-value is (Round to three decimal places as needed.) (0.917397,0.939341) a. Is the test two-tailed, left-tailed, or right-tailed? O Two-tailed test O Left-tailed test O Right tailed test b. What is the test statistic? The test statistic is (Round to two decimal places as needed.) c. What is the P-value? Z-Value 1.42 P-Value 0.155
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2. Which one of the following statements is correct? A. If you are told a sample percentage is 25%, you would need to know the sample size in order to convert that percentage to a proportion. B. We always begin a hypothesis test by assuming that the alternative hypothesis is true. C. The test statistic is affected by the size of the sample. D. A small P-value means we have evidence in favor of the null hypothesis. E. The test statistic will be negative if the claimed population proportion is smaller than the sample proportion.
Q13. The null Hypothesis is rejected, if the P-value is larger than significance level.a. Trueb. False
2. The steps of hypothesis testing You intend to draw a random sample in order to test a hypothesis about an unknown population mean. You will use a hypothesis test. A description of each of the steps of a hypothesis test follows, but they may be specified in the incorrect order. Specify the correct order of the steps. Determine the null and alternative hypotheses. Select a level of significance. Make a decision about the unknown population. Select a sample and compute the z-score for the sample mean.
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