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D Question 6 4 pts Formulate the indicated conclusion in nontechnical terms. Be sure to address the original claim. An entomologist writes an article in
D Question 6 4 pts Formulate the indicated conclusion in nontechnical terms. Be sure to address the original claim. An entomologist writes an article in a scientific journal which claims that fewer than 11 in ten thousand male fireflies are unable to produce light due to a genetic mutation. Assuming that a hypothesis test of the claim has been conducted and that the conclusion is to reject the null hypothesis, state the conclusion in nontechnical terms. There is not sufficient evidence to support the claim that the true proportion is less than 11 in ten thousand. There is sufficient evidence to support the claim that the true proportion is less than 11 in ten thousand. There is sufficient evidence to support the claim that the true proportion is greater than 11 in ten thousand. There is not sufficient evidence to support the claim that the true proportion is greater than 11 in ten thousand. O O 37 OF home DII O portsc F11 F3 F4 F5 F7 F8 9 F10 % A & K LO 4 5Question 7 4 pts Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. Round the margin of error to four decimal places. 95% confidence; the sample size is 3400, of which 20% are successes O 0.0154 O 0.0134 0.0101 O 0.0176 D Question 8 4 pts Assume that a sample is used to estimate a population mean u. Use the given O 31OF ~ . 0 DII prtsc home F3 F4 F5 F6 F7 F8 F9 F10 F11 A K tA W 4 5 R Y C 0D Question 8 4 pts Assume that a sample is used to estimate a population mean u. Use the given confidence level and sample data to find the margin of error. Assume that the sample is a simple random sample and the population has a normal distribution. Round your answer to one more decimal place than the sample standard deviation. 95% confidence; n = 51; x = 346; s = 116 O 42.4 O 32.6 O 68.5 O 29.3 D Question 9 4 pts ch O 31OF ") ) prt sc home F3 F4 F5 F6 F7 F8 F9 F10 F11 % A tA W 4 5 7 E R T Y U OD Question 9 4 pts Solve the problem. A researcher is interested in estimating the proportion of voters who favor a tax on e-commerce. Based on a sample of 250 people, she obtains the following 99% confidence interval for the population proportion, p: 0.113
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