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A company has 2 machines that produce widgets. An older machine produces 23% defective widgets while the new machine produces only 8% defective widgets. In addition, the new machine produces 3 times as many widgets as the old machine does. Given that a widget was produced by the new machine, what is the probability it is not defective?
An epidemiologist wants to know what proportion of adults living in a large metropolitan area suffers from hepatitis. Determine the sample size needed
Does the scatterplot indicate that it's appropriate to calculate a correlation? Explain.- Describe the association between attendance and runs scored.
given that 30 of a community is hispanic when randomly selecting a jury of 12 persons what are the following
A population has a mean = 80, with standard deviation = 8. The distribution of sample means for samples of size n = 4 selected from this population would have an expected value of?
A baseball fan would like to estimate the mean time it takes to complete a major league baseball game. He randomly selects 40 game lengths (times to complete games) for major league baseball games and finds the mean to be 178 minutes with a standard ..
The null hypothesis would say there were no illegal drugs used. Pick the most appropriate cutoff level for the P-value, 0.10 or 0.05 or 0.01
Explain why or why not. b. Assuming that A, B, and C are independent events, find the probability that a randomly selected manager from this company is a white male and has earned an MBA degree from a top-10 graduate business school. c. If A, B, a..
Do the data indicate any significant preferences among the three versions of the photograph? Test at the .05 level of significance.
Briefly summarize the partnership business structure and the equity rights partners have, both in the context of managerial rights and ownership.
Construct a runs chart for the empty weight. Include a line at the average empty weight for reference and comment on the chart. Construct a runs chart for the full weight. Include a line at the average full weight for reference and comment on the ..
What is the probability of rolling four (sum total on the 2 dice) in the gambling dice game of craps (given two six sided
Customers indicate that they are satisfied as long as the process performs between 70 and 120. Calculate the capability using the correct index
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