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Twelve people (six smokers and six non-smokers) are randomly selected and have their body temperature measured five minutes after undergoing the same physical exercise. The results are as shown:
Smokers 98.4, 98.7, 98.8, 98.9, 99.2, 99.3//// Non-smokers 97.9, 98.1, 98.2, 98.5, 98.6, 99.0
Carry out a Wilcoxon rank-sum test to determine if there is sufficient evidence at the 2.5% significance level to support the hypothesis that, after exercise, the body temperature of smokers is higher than that of non-smokers
The seeds were planted in wet soil, and the number of emerging plants were counted. If the solution was not effective and four plants actually sprouted, what is the probability that all four plants emerged from treated seeds?
Fill 'er up! In a recent month, 88% of automobile drivers filled their vehicles with regular gasoline, 2% purchased midgrade gas, and 10% bought premium gas.
The probability that the responder is a woman is 0.57. Find the probability that the response is in favor of the death penalty given that the responder is female.
you write a new app that can take a picture of someone and automatically draw a funny mustache on them. it takes 3
Referencing the book The American Promise by James Roark answer the following question. While the United States denied women rights
In our discussions of basic probability theory the concepts of mutually exclusive events and independent events share prominent roles.
The manufacturer wanted to determine if the tires were exceeding the guarantee. At the .05 significant level, it was concluded that the tires are exceeding the manufacturer's guarantee.
A college's data about incoming freshmen indicates that the mean of their high school GPA was 3.4, with a standard deviation of 0.35. Let X=the GPA of an incoming freshman. The students are randomly assigned to writing groups of size 49.
Find the number of seats each restaurant should have in order to have a probability greater than 95 % that it can serve all patrons who come to it
a weather forecaster predicts that the may rainfall in a local area will be between 1 and 7 inches but has no idea
Long ago, doctors drew a blood specimen from you as part of treating minor anemia. Unknown to you, the sample was stored.
Let"s consider the very large database of individual incomes from the Bureau of Labor Statistics as our population. It is strongly right skewed. How large a sample size?
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