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A group of 5 boys and 15 girls is lined up in random order .
a) What is the probability that the person in the 4th position is a boy?
b) What is the probability that a particular boy is in the 3rd position?
Formulate an appropriate statistical model, defi ning all the terms. State the null and two-sided alternative hypotheses which reflect the research question of interest.
When water taxi sank in the Baltimore Inner Harbor, an investigation revealed that the safe passenger load for water taxi was 3500 lbs. It was also noted that the mean weight of passenger was assumed to be 140 lbs.
The relative frequency distribution of the number of TVs sold in a day in a department store in the last year is as follows: Compute the mean and standard deviation of this distribution.
Student A and B took different statistics classes and 2 different finals. Student A had a score of 83 out of 100 and ranked 72 in his class. Student b scored 85 out of 100 and he ranked in the 70 percentile of his class.
write a 3- to 5-page paper that includes the following based on your chosen virtual organizationq1. identify hardware
1.a poll finds that 54 of the 600 people polled favor the incumbent. shortly after the poll is taken it is disclosed
Test to determine if there is a significant negative relationship between the independent and dependent variable at a = .05 and .01
Based on this information, what is the upper limit for the 95 percent confidence interval estimate for the proportion of people in Chicago that listen to WJKT-1450?
What are the best-case and worst-case outcomes the owner may face on this product if she implements your suggestion?
A random sample of 100 voters found that 44% were goint to vote for a certain candidate. Find the 99% limit for the population proportion of voters who will vote for that candidate.
Suppose a sample of 35 surveys shows a sample mean of 17 minutes. Use = 4 minutes. Is the premium rate justified? Formulate the null and alternative hypotheses for this application.
A basketball player has a history of making 75% of the foul shots taken during games. The player gets two shots at the foul line.
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