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Assume the probability of a household owning a DVD player is 0.80. What is the probability that if 11 households are selected at random, exactly 9 of the households will own DVD players? Calculate the mean and standard deviation for the problem.
The relative frequency distribution of the number of TVs sold in a day in a department store in the last year is as follows: Compute the mean and standard deviation of this distribution.
Your office has just received 110 insurance claims to be processed in the next few days. What is the probability that fewer than 45 of the claims have been padded?
Does this mean immigrants tend to earn more than other people? Or does it mean immigrants improve a state's economy? If not, what could explain the correlation?
What is the probability of drawing one or more aces after discarding 5, 7, 8, and 9
Lab technicians at a major mdical lab can process an average of 400 blood samples a day with a standard deviation of 50 samples. The processing follows a normal distribution.
Suppose you manage Tennessee Grilled Pork, a fast food restaurant specializing in pork sandwiches and pork chops on a stick. You have decided to build a new restaurant and have 2 possible site locations
The mean return on investment is 25 percent and the standard deviation 5.2 percent. Compare the relative dispersion for the price-earnings ratios and return on investment.
Find the asymptotic distribution of the MLE of the indicated parameter and find formulas for approximate standard errors of the MLE.
Explain the applications of statistics in your own field (Business Administration/Accounting) - Construct a stem and leaf display.
The quality control department of Widgets Manufacturing needs your help. They can't decide which significance level is appropriate for testing the claim that fewer than 50% of widgets from a production run are defective.
Population was computed to be 126.9 grams and the standard deviation was 1.20 grams. which food results in more uniform weight.
Following is based on information from Statistical abstract of the United States, Dec, 1992. Are A and B mutually exclusive?
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