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Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 99% confidence interval. What does the result tell us about the population of all celebrities? Do the data appear to be from a normally distributed population as required? 249 214 195 167 164 155 152 152 147 147 What is the confidence interval estimate of the population mean ? $ million 0.22 O D. Ho: p= 0.22 Hy : 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.) Identify the conclusion for this hypothesis test. O A. Reject Ho. There is not sufficient evidence to warrant rejection of the claim that the percentage of blue candies is equal to 22% 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 22% O C. Fail to reject Ho. There is not sufficient evidence to warrant rejection of the claim that the percentage of blue candies is equal to 22% O D. Reject Ho. There is sufficient evidence to warrant rejection of the claim that the percentage of blue candies is equal to 22%Assume that the sample is a simple random sample obtained from a normally distributed population of IQ scores of statistics professors. Use the table below to nd the minimum sample size needed to be 95% condent that he sample standard deviation 5 is within 40% of 0'. Is this sample size practical? To be 95% condent that s is within of the value of a. the sample size 1% 5% 10% 20% 30% 40% 50% n should be at least 12 8 To be 99% condent that s is within of the value of o. the sample size 211% 311% 40% 50% 22 '14 n should be at least The minimum sample size needed is B. Is this sample size practical? O A. Yes, because the sample size is small enough to be practical for most applications. 0 B. Yes. because the sample size should be as large as possible for most applications. 0 C. No, because the sample size should be as small as possible for most applications. 0 D. No, because the sample size is excessively large to be practical for most applications. Which of the following is not a step in the procedure for hamway ANOVA to test for an interaction effect, an effect from the row factor, and an e'ect from the column factor? <:> Choose the correct answer below. 0 A. If the conclusion is that There is no interaction effect, then proceed to test for the etfect from the row factor and the effect from the column factor. Q B. If the Pvalue is large, reject the null hypothesis of no interaction. Conclude that there is an interaction effect. 0 C. If the P-value is small, reject the null hypothesis of no interaction. Conclude that there is an interaction eect. O D. Begin by testing the hypothesis that there is no interaction between the two factors. Which of the following is not a requirement for testing a claim about a population with o not known? Choose the correct answer below. O A. The population mean, p, is equal to 1. O B. The sample is a simple random sample. O C. Either the population is normally distributed or n > 30 or both. O D. The value of the population standard deviation is not known.Words were displayed on a computer screen with background colors of red and blue. Results from scores on a test of word recall are given below. Use a 0.05 significance level to test the claim that the samples are from populations with the same standard deviation. Assum both samples are independent simple random samples from populations having normal distributions. Does the background color appear to have an effect on the variation of word recall scores? n X S Red Background 34 15.45 5.91 Blue Background 36 12.45 5.44 What are the null and alternative hypotheses? OA. Ho: 07 = 07 OB. Ho: 07 207 H 1 : 09202 H1 : 07 =02 OC. Ho: 07 = 02 OD. Ho: 017 H1: 07 P2 H1 : P1 / P2 O D. Ho: P1 = P2 OE. Ho: P1 = P2 OF. Ho: P1 # P2 H1 : P1 # P2 H1: P1 = P2 H1: P1 = P2 Identify the test statistic. 2= (Round to two decimal places as needed.) Identify the P-value. P-value = (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? The P-value is the significance level of a = 0.01, so the null hypothesis. There is V evidence to support the claim that the proportion of people over 55 who dream in black and white is greater than the proportion for those under 25. b. Test the claim by constructing an appropriate confidence interval. The 98% confidence interval is |= (P1 - P2)