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Let X be the number of new customers registred by a new insurance in the first month. Suppose that X is distributed Poisson. Each customer has probability p of being a home owner independently of all other customers.Let Y be the number of home owners registered. Show that Y~Poisson.
Determine critical value if alpha = 0.05? If p-value for this test is 0.025, this p-value means?
\Write down the general formula for the discrete uniform probability distribution function. Now write down the probability distribution function for the random drawing of tile numbers. Is this a discrete uniform distribution?
If the null hypothesis is rejected, can you state that the mean score of those with a rural background is different from the score of those with a large-city background?
Determine the maximum error of the estimate, E. Determine the confidence level used for the given confidence interval.
The random sample population is 500 people who shop for workout programs and equipment. The sample mean of those shopping is that they spend an average of $250.00 per purchase and perchance at least 2 to 3 items for working out and weight lost
Which of the following methods could be used to determine future order quantities? forecasting, regression, inventory models.
If you assume returns follow a normal distribution, which investment would give a better chance of getting at least a $40 million return? Explain. (B) How could your answer to part (A) change if you knew returns followed a skewed distribution inst..
Researchers at Pharm-X, a pharmaceutical company, are testing and comparing the effects of Drug A and Drug B on participants' allergies. The researchers are using a double-blind procedure to conduct their test.
Superior Medical System's 2005 balance sheet showed total common equity of $2,050,000. The company had 100,000 shares of stock outstanding which sold at a price of $57.25 per share.
Over the 48 years from 1950 through 1997, the stock market has gone up in the month of January for 31 times; it has gone up for the whole year for 36 times, and it has gone up both for the year and in January for 29 times.
The probability the second truck is available is .51, and the probability that both trucks are available is .41: What is the probability neither truck is available?
Let x be amount of May rainfall in local area, and suppose that x is uniformly distributed over interval three to six inches. Write down the formula for probability curve of x.
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