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Sixty percent of the employees in a certain department are female. One third of the females drive foreign cars. The rest drive domestic cars. Twenty-five percent ofthe males in the department drive foreign cars. One person is randomly selected from the departmental files. Use this information to construct a probability table, and then calculate each of the following probabilities:P (female and domestic car).
Calculate expected number of interruptions per day. Calculate standard deviation.
There are two telephone lines A and B. Let E1 be the event that line A is being used and E2 be the event that line B is being used
A Correlation matrix (correlation, coefficients and probability level under the hypothesis rho = 0) for a company's sales force (age, years of service, and current sales) is given below. Comment.
Otherwise you lose $1. If you make this wager very many times, what will be the mean outcome?
Which of the following Venn diagrams has shaded the event that the contractor wins exactly one of the contracts and evaluate the mean time to complete the entire homework assignment
Write introduction to SPC (STATISTICAL PROCESS CONTROL)? Describe the use of SPC tools used at D2D?
Construct a 95 percent confidence interval for the true mean.
Calculate the probability that the median of the sample or average medians is:
The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test.
An experiment was performed to investigate lifetime of a component exposed to high heat. Three different oven types were used at either 550°F or 600°F.
Here is a two-way table showing enrollment data for full-time undergraduate students in U.S. colleges and universities. The entries are thousands of students:
For this same sample of n = 45, find out the width of confidence interval around population mean? Illustrate all work.
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