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A company produces two sizes of wallets from a material. The first requires 60 sq. inches of material and the second requires 100 square inches. The company has 1,000 sq. feet of material. what is the model?
In the past, Judy Holmes's tire dealership sold an average of 1,000 radials each year. In the past two years, 200 and 250, respectively, were sold in fall, 350 and 300 in winter, 150 and 165 in spring, and 300 and 285 in summer.
If wages were increased by $1.00, what is the expected effect on the number of complaints received per employee? How can you tell?
Suppose the time interval between two consecutive defective light bulbs from a production line has a uniform distribution over an interval from 0 to 90 minutes.
the probability that it gets by the first inspector is 0.1. Of those that get past the first inspector, the second inspector will miss 5 out of 10. What fraction of the defective items gets by both inspectors?
Over the past 20 days (20 shipments), four have been rejected & returned back to company A. Determine if there is a problem with the parts at company A.
A normal distribution with mean value 110 and standard deviation 15. Approximate the probabilities below. (Round all answers to four decimal places.)
Determine whether or not the average age of the evening students is significantly different from 21. Use a 0.1 level of significance.
Tthe hypothesis test used (normal curve, single sample t-test, dependent samples t-test, independent samples t-test, ANOVA). For situations 1, 3, 4, and 5, also state whether the test is unilateral or bilateral.
Identify the types of processes and analyses used in HR that use data analysis and evaluation. Discuss generally how statistics can be used in hiring, turnover, performance management, training, culture assessments, and other dashboard indicators ..
You are running a chi-squared test. You have 2 groups with 3 characteristics each, what would your critical value be with an alpha of .025?
A discussion of extreme weather reports that: "In most states, hurricanes occur infrequently. Yet, when a hurricane hits, the losses can be catastrophic.
What is the margin of error of the large-sample 95% confidence interval for the proportion of all Quebec adults who would allow doctor assisted suicide?
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