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Peter has a paper route where he throws the papers from his bike into people's porches. Peter has a 75% chance of getting the paper onto the porch when he throws it. IF peter has 50 houses on his route, what is the estimated number of papers he will get onto the porches?
A poker player is dealt three spades and two hearts. He discards the two hearts and draws two more cards. What is the probability that he draws two more spades?
However, on a school-wide basis the correlation is .50. Assuming these results to be typical, what explanation do you suggest?
a market research company interviews a simple random sample of 3600 persons in a certain town and asks what they did
With H1 : p > 84% you obtain a test statistic of z=2.903. Find the p-value accurate to 4 decimal places. p-value =
a. If a night crew consists of 3 machinists, how many different crews are possible? b. If the machinists are ranked 1, 2,... , 20 in order of competence, how many of these crews would not have the best machinist? c. How many of the crews would have a..
(a) Based on the rule of thumb in Section 6, would we be justified in using the approximation? (b) Make the approximation and round to four decimals.
Drug is effective on 89% of women and 65% of men. It is known that 66% of the people who take the drug are women. What is the probability that the drug is effective?
american culture and drug abuseassume you are a member of the family research council and have become increasingly
1) Let x represent the number of extracurricular activities per student. Construct a probability distribution for x.
Prove that for a symmetric matrix with strictly positive elements, (1) there exists a largest, unique latent root λ i > 0, and (2) the latent vector P1 associated with λl can always be chosen to havc strictly positive elements.
After how many hours should all of the bulbs to be replaced if no more than 4% of the bulbs to burn out before they are replaced.
Create a 90% confidence interval for the percentage of people the company contacts who may buy something.- Explain what this interval means.
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