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Two events involve getting two aces when two cards are drawn from a deck of playing cards and replacing the first card before the drawing the second card. The twoevents in this statement are:
A. Independent
B. Dependent
Statistics and Probability, Statistics
According to a Field Poll, 276 out of 615 of California adults feel that "education and our schools" is one of the top issues facing California. We wish to construct a 90% confidence interval for the true proportion of C ...
Determine the margin of error for an 80?% confidence interval to estimate the population mean when s? = 36 for the sample sizes below. ?a)n=12 ?b)n=26 ?c)n=54 ?a) The margin of error for an 80?% confidence interval when ...
Seedlings come in packages of 10 and consist of the following: 2 Douglas-fir, 3 spruce, and 5 pines. In any given package, how many ways can the 10 seedlings be arranged if seedlings that are the same species cannot be d ...
Identify and describe the six types of e-commerce. Give an example for each one.
The diameter of Ping Pong balls manufactured at a large factory are approximately normally distributed with a mean diameter of 1.30 inches and a standard deviation of .04 inches. Use Excel to calculate the probability of ...
At a college, 66 % of courses have final exams and 56 % of courses require research papers. Suppose that 45 % of courses have a research paper and a final exam. Find the probability that a course has NONE of these two r ...
You are working with a MOE of +/-4% and a confidence level of 95%. P and Q =.50, and your CPI is $25.00. The company you work for needs to make a decision as to whether they may need different advertising for men and wom ...
Star Corp. is considering investing in new equipment to serve more customers. You have been asked to determine the required return of Star Corp's common equity, assuming that the firm will raise new equity financing to f ...
Compounding and Period: As you increase the length of time involved, what happens to future values? What happens to present values? The present value of annuity will increase as well as the future value when you increase ...
Discrete probability variables. Thirty percent of households say they would feel secure if they had? $50,000 in savings. You randomly select 8 households and ask them if they would feel secure if they had? $50,000 in sav ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
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