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- stion 3 It is assumed that the proportion of households that have three telephone numbers is 30%. A company have reason to believe that this proportion of households is less than 30%. A market survey of 150 households gives the results that 43 of the households have three telephone numbers. Test at 5% level of significance whether the telephone company’s belief is trueA company uses an automated process in checking for defective electronic devices that they manufacture. For devices that are defective, 98% of them will be labeled as defective. Three percent of the devices that are okay (not defective) will be labeled as defective. Four percent of the devices made by this company are defective. _____________________ percent of devices that are labeled as defective are not defective.80 88 86 91 69 74 79 83 are the scores of midterm of 8 students. Find the score of 65%. 85.55 85.75 85.95 85.99
- Question is attached to the screenshot need help with only parts D and E thanks!Periodical Spider-Man Fortune Federation MadNumber 156 52 26 78% of Library 18.6% 6.2% 3.1% 7.0%One of the percentages in this table is incorrect. Which is it?a. 18.6% (Spider-Man)b. 6.2% (Soldier of Fortune)c. 3.1% (WWF)d. 7.0% (Mad)What percent of females don't have heart disease? Sex (1=Male 2=Female) 1 2 Total Ever told heart disease (1=Yes 2=No) 1 Count 73 96 169 % within Ever told heart 43.2% 56.8% 100.0% disease (1=Yes 2=No) % within Sex (1=Male 10.2% 9.3% 9.7% 2=Female) % of Total 4.2% 5.5% 9.7% 2 Count 640 941 1581 % within Ever told heart 40.5% 59.5% 100.0% disease (1=Yes 2=No) % within Sex (1=Male 2=Female) 89.8% 90.7% 90.3% % of Total 36.6% 53.8% 90.3% Total Count 713 1037 1750 % within Ever told heart disease (1=Yes 2=No) 40.7% 59.3% 100.0% % within Sex (1=Male 100.0% 100.0% 100.0% 2=Female) % of Total 40.7% 59.3% 100.0% 59.5% 89.8% 53.8% 90.7%
- Leonor's weekly sales as an online seller follow a normal distribution with a standard deviation of 973 pesos. A statistical study of her sales in the last 10 weeks has found a confidence interval for the mean weekly sales to be 4633 <<5839 pesos. Considering these, supply the values of the following: Prompts Submitted Answers X Choose a match Choose a match Choose a match Choose a match NO/~ Za Confidence Level Standard Error(a) Suppose I have a bag with 4 marbles. One is red and 3 are green. Pick one marble, note the color and then put it back and pick a second marble. Find P(Both Red) = Explain your reasoning. P(Both Green) = %3D %3DSpiral Review What is 30% of 400? Enter the correct answer in the box. Hint 7 4. 6 1 3. HMH Ed -. Questio...
- Ink Replay Replay 3. A survey taker randomly approached 344 individuals in the mall, hoping to ask some survey questions. Only 206 people agreed to participate. They were asked (1) their sex; (2) whether or not they exercise. The results are below. Men Women Do not exercise 16, 31.4% Do not exercise 48, 31.0% Exercise 35, 686% Exerci se" 107 690% What proportion of the men exercise? -68.6% What proportion of the women exercise? -69.0% Do the two variables (sex and whether or not someone exercises) seem to be associated? Explain. What proportion of those who exercise were women? What proportion of those who exercise were men? Do your answers d. and e. make you rethink your response to c.? Explain. Is it misleading that the two pies are the same size? Explain. D FocusPlz ans d and e part onlyHelp please 2