PLEASE HELP AND SHOW WORK OR CALCULATOR WAY ON TI84 Your claim results in the following...
Your claim results in the following alternative hypothesis: Ha:p > 47% which you test at a significance level of a = .001. Find the critical value, to three decimal places. Za =
Your claim results in the following alternative hypothesis: He: u < 140 which you test at a significance level of a = .002. Find the critical value, to three decimal places. za =D
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Test the claim that the proportion of people who own cats is smaller than 10% at the 0.005 significance level The null and alternative hypothesis would be: Ho:p 0.1 H0 : p> 0.1 Ho:p=0.1 H0'μ 0.1 Ha:p> 0.1 Hai p > 0.1 Ha: p < 0.1 HUP 0.1 Ho: μ-0.1 Ho: μ > 0.1 Ha : μ 0.1 Ha : μ < 0.1 The test is: right-tailed...
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You wish to test the following claim (Ha) at a significance level of α-0.02 Ho: μ = 52.4 52.4 Ha: μ You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n 20 with mean M 55.8 and a standard deviation of SD 6.3. What is the p-value for this sample? (Report...
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Test the claim that the mean GPA of Orange Coast students is significantly different than the mean GPA of Coastline students at the 0.1 significance level. The null and alternative hypothesis would be The test is: left-tailed right-tailed two-tailed The sample consisted of 45 Orange Coast students, with a sample mean GPA of 2.77 and a standard deviation of 0.07, and 45 Coastline students, with a sample mean...
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Homework Section 9.3 and 94X Linstructure.com/courses/31132passignments/44778757module tem id-8330429 Submit Question 6. Points possible: 1 Unlimited attempts Score on last attempt: 1. Score in gradebook: 1 Message instructor about this question You are performing a right-tailed test If α = .002, find the critical value, to three decimal places. Submit Question 7. Points possible: 1 Unlimited attempts. Message instructor about this question Your claim results in...
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You are conducting a test of the claim that the row variable and the column variable are dependent in the following contingency table. A | 24 | 21 | 12 B|41 |40|34 Give all answers rounded to 3 places after the decimal point, if necessary (a) Enter the expected frequencies below: (b) What is the chi-square test-statistic for this data? Test Statistic" (c) What is the critical value...
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Insurance companies are interested in knowing the population percent of drivers who always buckle up before riding in a car. They randomly survey 390 drivers and find that 296 claim to always buckle up. Construct a 96% confidence interval for the population proportion that claim to always buckle up. Use interval notation, for example, [1,5] Box 1: Enter your answer using interval notation. Example: [2.1,5.6172) Use U for union to...
For the folowing claim, find the null and alternative hypotheses, test statistic, critical value, and draw a conclusion. Assume that a simple random sample has been selected from a normally distributed population. Answer parts a-d. Claim: The mean IQ score of statistics professors is less than 119. Sample data: n 11, x 117, s 14. The significance level is ?-005 Click the icon to view a table of critical t-values. a. Choose the correct null hypothesis (Ho) and altenative hypothesis...
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If n-400 and p (p-hat)-09, construct a 99% confidence interval. Give your answers to three decimals. 1.2864 *p0.5136