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A traveling salesperson visits your apartment building. there are 12 apartments in your building. The traveling salesperson randomly selects 5 apartments in your building to visit. what is the probability that she visits both you and your neighbor bill?
Suppose that patrons of a restaurant were asked whether they preferred beer or whether they preferred wine. 70% said that they preferred beer. 60% of the patrons were male. 80% of the males preferred beer.
A carton of 6 batteries contains 2 that are defective and 4 that are good. If we select 3 batteries at random form this carton, what is the probability that the sample contains exactly 1 defective battery?
Looking at sample distribution from part b, find out how big treatment effect is. Specifically, determine the distance between sample mean and original population mean?
A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 1 in every one thousand. State the null hypothesis and the alternative hypothesis for a test of significance.
Absolutely lost on how to determine what is being asked in below problem. Need to calculate the covariance and correlation between X and Y
Please assist regarding an index based on how people feel about the economy. In this case, the base was 1985 and set at 100.
Of 880 respondents, 171 admitted that at least one light had been red. Follow four-step process to create 95% confidence interval.
How large should n be so that the standard deviation of is no more than 0.01 and sampling distribution
The hospital tests five vials from each shipment. If at least one of the five is ineffective, find the conditional probability pf that shipment's having come from C.
A health club has six tennis courts. The owner hypothesizes that his patrons have no preference for a particular court. He observes how many people play on each court on a particular day. Compute the expected value for the data shown below.
The researcher estimated that out of the 100 students at least 50% of the students would be exposed to movies and TV w/ crude humor at least 2-4 times per week.
Give all steps of a test of the hypothesis that the corresponding population proportions are equal.
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