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A fast-food chain gives each customer a coupon, the surface of which can be scratched to reveal whether a prize will be received. The odds for winning $1000 per week for life are listed as 1 to 200,000,000, while the odds for winning a free hamburger are 1 to 15. Sheila is going to have lunch at her local franchise of the chain and will receive one coupon during her visit. Determine the probability that she will win
a. $1000 per week for life.
b. a free hamburger.
c. either the lifetime $1000/week or a free hamburger.
d. both the lifetime $1000/week and a free hamburger
What proportion of the students had scores between 30 and 40?- What is the probability that a randomly selected student would score between 30 and 40?
Which distribution is preferred by a Rawlsian Social Welfare Function? Assume that utility is defined as ui = mi and recall that Rawlsian Social Welfare function would be equal to the minimum utility experienced by any person under the allocation.
1. a study sponsored by american express co. and the french government tourist office found that old american
A random sample of 300 beer drinkers is selected and each member of the sample is asked to choose between two brands of beers: Brand A and Brand B. The results are that 165 prefer Brand A and 135 prefer Brand B.
the heights of people of the same sex and similar ages follow a normal distribution reasonably closely. weights on the
Do you agree or disagree that the lottery is a tax on people who are bad at math?
A shipment of 10 items has two defective and eight nondefective items. In the inspection of the shipment, a sample of items will be selected and tested. if a defective item is found the shipment of 10 will be rejected.
Using the below exhibit formulate a statistical hypothesis appropriate for the consumer group's purpose, and then calculate the mean average miles per gallon. Compute the sample variance and sample standard deviation
You wish to test the following claim (Ha) at a significance level of α=0.05.
there are 10 tickets in the box 3 of them are winning. find the probability that the first taken ticket is winning
There are many examples of the role of noise in human communications. One story concerns a communication exchange which purportedly took place during the First World War.
which of the following is not a difference between a confidence interval and a prediction interval?select onea.
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