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1. Choose an American household at random and ask how many cars and trucks that household owns. Here are the probabilities as of 1997:
Number of Vehicles
0
1
2
3
4
5
Probability
0.04
0.25
0.45
0.18
0.06
0.02
What is the probability that a randomly chosen household owns more than one motor vehicle?
A) 0.96
B) 0.71
C) 0.26
D) 0.25
2. A certain random experiment can result in one of four different possible outcomes, which we'll call A, B, C and D. It has been determined that the probabilities of these outcomes are as follows:
A
B
C
D
1/6
?
2/6
What is the probability of outcome C?
A) 0.75
B) 0.50
C) 0.25
D) 0
The Wilcoxon signed rank test is computed for the data and gives a value W + = 161.5. Using the Normal approximation (without the continuity correction) the P-value.
The number of customers at a specialty meat store averages about 1500/day. The exact number varies from day to day. On Fridays before long weekends, the number of customers increases to about 3000. Which of the following statements is correct
The summation sign is usually represented by:
What is the approximate estimated bootstrap standard error of the median, What is the approximate bias of the median estimated from bootstrapping - What is the bootstrap t confidence interval for the median
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Real estate agents always say "location, location, location" is the most important thing in buying a house. We want to know if the sales prices of homes in two neighborhoods are similar. A random sample is taken from each neighborhood. The prices ..
Assuming the population is large, which sample size will give the smallest standard deviation to the statistic and select the numbers for the first five to be interviewed.
Concept of statistical signi cance
An experiment was carried out to assess the effects of four tomato varieties and four planting densities on yield. There were 64 plots, and each of the 16 factor combinations was randomly assigned to 4 plots.
Suppose we drew a histogram of these 18 death rates using class intervals 1 — 1.9, 2 — 2.9, 3 — 3.9, 4 — 4.9 and 5 — 5.9. Using the histogram, we would
Examine the relationship between final grade and the reported hours per week each student said they studied for the course. Do we have evidence that females are being discriminated against?
MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?
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