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Madison Metals recently reported $9,000 of sales, $6,000 of operating costs other than depreciation, and $1,500 of depreciation. The company had no amortization charges and no non-operating income. It had issued $4,000 of bonds that carry a 7% interest rate, and its federal-plus-state income tax rate was 40%. What was the firm's taxable, or pre-tax, income?
With a Rejection Region of 8, 9 or 10, what is the probability of a Type II error, if the job applicant has a probability of identifying the odd sample with p = 0.5?
Suppose we wish to test the null hypothesis that there are no differences among the proportion of men and women who developed a rash. Evaluate the P-value of the chi-square test of this hypothesis.
ABC Manufacturing has six machines that perform particular task. Breakdowns happens frequently for this machine. Past records indicate that the number of breakdowns that happen each day is described by the probability distribution seen below:
Is there evidence of a difference in objection to sharing information among the organizational groupings? (use α = 0.05)
Explain the purpose of the chi-square test for independence. Provide some practical examples where this test might be used in business.
One state lottery has 1000 prizes of $1, 200 prizes of $5, 50 prizes of $25, 15 prizes of $150, 4 prizes of $500, and 1 prize of $2500. What is the lottery expected profit per ticket?
Determine the probability of having more than 3 defects in a roll?
Each vehicle had the gallon of gas added to the empty tank and then driven until empty. Number of miles travelled for all twelve readings are below. Use data to compute the mean and median mileages.
The 2009 National Assessment of Educational Progress (NAEP) gave a mathematics test to a random sample of eighth-graders in Texas. The mean score was 287 out of 500. To give a confidence interval for the mean score of all Texas eighth-graders, you..
Determine the cost Xs to develop the support system for which the probability of exceeding Xs is equal to 0.01?
In chi-square goodness-of-fit test when there is close agreement between observed frequency and expected frequency, chi-square test value will be small.
What is the arithmetic mean selling price?
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