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Four possibly winning numbers for a lottery-AB-4536, NH-7812, SQ-7855, and ZY-3221- arrive in the mail. You will win a prize if one of your numbers matches one of the winning numbers contained on a list held by those conducting the lottery. One first prize of $100,000m two second prizes of $50,000 each, and ten third prizes of $1000 each will be awarded. To be eligible to win, you need to mail the coupon back to the company at a cost of 33 cents for postage. No purchase is required. From the structure of the numbers that you received it is obvious the numbers sent out consist of two letters followed by four digits. Assuming that the numbers you received were generated at random, what are your expected winnings from the lottery? Is it worth 33 cents to enter this lottery?
Rank the funds by using this alternative measure of risk. Which, if any outperformed the market on the risk-adjusted basis.
The formula for a 95% confidence interval yields the interval 640 ± 5.88. Find out whether each of the given statements is true or false.
Choose an article that explains research using one or more statistical tests (z, t, ANOVA, chi square, regression) as part of data analysis. Explain the study using the following information:
q1. a small town has a population of 20000 people. among these 1000 regularly visit a popular local bar. a sample of
Obtain a graphical representation of the relationship and give a brief description of the relationship and estimate the simple regression line and interpret the estimated relationship.
Find the 90% confidence interval fo the mean. Does the confidence interval interpretation agree with the hypothesis testing results? Explain.
If we know that the length of time it takes an MBA student to find a parking spot near the DePaul Center follows a normal distribution with a mean of 3.5 minutes and a standard deviation of 1 minute, find the probability that a randomly selected MBA ..
A letter is drawn 1,000 times, at random, from the word A R AB I A. There are two offers. (A) You win a dollar if the number of A's among the draws is10 or more above the expected number. (B) You win a dollar if the number of B's among the drawsis 10..
What is your decision regarding the null hypothesis and interpret.
suppose that in the setting of the previous exercise you are willing to settle for a margin of error of $1000. will the required sample size be larger or smaller?
A study of applicant requirements, job tasks, and performance expectations as part of a job analysis of student work-study jobs on a college campus of 2,000 students, where 1,500 are involved in the work-study program.
The company production manager feels that a standard deviation of more than three bodies a day indicates unacceptable production rate variations. Explain whether this is acceptable?
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