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- V1. Suppose Sally has a choice to undertake a risky job for a salary of $69828. She could choose to take a safe job for a salary of $62841. She decided to take the risky job. Assuming Sally has a 1 in 601 chance of dying at the risky job then using the trade-off method, she values her life at:Genesis wants to invest his money in a fast food restaurant. There is a 38% chance of losing P400,000, a 30% chanceof making a profit of P 550,000, and a 32% chance of getting a break even. Based on these information, should Genesisinvest his money in the fast food restautant?In a public opinion survey, 60 out of a sample of 100 high-income voters and 40 out of a sample of 75 low-income voters supported a decrease in value-added tax, VAT. Conclude at the 5% level of significance that the population of voters favouring a VAT decrease differs between high- and low-income voters. (Where p1 is the proportion of all high-income voters who supported a decrease in VAT; p2 is the same for the low-income voters). The rejection region to test the above hypothesis at the 5% significance level (rounded off to two decimals) is: A. T < -1.96 B. T < -1.64 or Z > 1.64 C. Z < -1.96 or Z > 1.96 D. Z < -1.64 E. None of the preceding
- In a public opinion survey, 60 out of a sample of 100 high-income voters and 40 out of a sample of 75 low-income voters supported a decrease in value-added tax, VAT. Conclude at the 5% level of significance that the population of voters favouring a VAT decrease differs between high- and low-income voters. (Where p1 is the proportion of all high-income voters who supported a decrease in VAT; p2 is the same for the low-income voters). The rejection region to test the above hypothesis at the 5% significance level is: A. T < - 1.96 B. T < - 1.96 or Z > 1.64 C. Z< - 1.96 or Z > 1.96 D. Z < -1.64In a public opinion survey, 60 out of a sample of 100 high-income voters and 40 out of a sample of 75 low-income voters supported a decrease in value-added tax, VAT. Conclude at the 5% level of significance that the population of voters favouring a VAT decrease differs between high- and low-income voters. (Where p1 is the proportion of all high-income voters who supported a decrease in VAT; p2 is the same for the low-income voters). The hypotheses are: A. H0: p1 - p2 = 0 vs H1: P1 - p2 ≠ 0 B. H0: p1 - p2 > 0 vs H1- P1 - p2 < 0 C. H0: p1 - p2 > 0 vs H1: P1 - p2 ≠ 0 D. H0: p1 - p2 ≠ 0 vs H1: P1 - p2 = 0 E. None of the precedingHow would a T test give us information about if men or women could jump higher in a vertical leap test?
- Teens who vape are likely to develop pneumonia 60% of the time, whereas teens who don’t vape are likely to develop pneumonia 3% of the time. About 20% of the teen population vapes. If you learn that a teen has pneumonia, what is the likely hood that they vape?31. Using the backward elimination, what is the value of adjusted R2 of the last step?The sales manager of a company has budgeted K120, 000 for an advertising programme for one of the firm’s product. The selected advertising programme consists of running advertisements in two different magazines. The advertisement for magazine 1 costs K2000 per run while the advertisement for magazine 2 costs K.5000 per run. Past experience has indicated that at least 20 runs in magazine 1, and at least 10 runs in magazine 2 are necessary to penetrate the market with any appreciable effect. Also, experience has indicated that there is no reason to make more than 50 runs in either of the two magazines. How many runs in magazine 1 and how many in magazine 2 should be made? Use simplex method.
- A lecturer is interested in studying the pass rate of their module. In a particular year, 20 students sit the module and 3 students fail.A researcher's survey results indicate that about 50% of 12th graders consume less than 300g of vegetables at lunch, about 40% consume 300-600g, and only 10% of them consume more than 600g. A high school conducted a survey of student diets and health information, and reported data about 12th graders' vegetable intake at lunch is reported in the table photo. If researchers wants to find out whether the high school has the same proportions of 12th graders in the vegetable intake categories as reported by the survey, what would the appropiate test statistic be to use and why. Choosing between an ANOVA, Chi -Square independence tests, Chi Square Goodness of Fit, and One sample proportion test?define bionomial experiment.also dicus its properties with examples