Calculate the covariance
A coin that has been altered so that the probability of ?ipping heads is 0.4 is ?ipped twice. Let X be the number of heads ?ipped on the ?rst toss and let Y be the total number of heads in the two tosses. Calculate the covariance of X and Y.
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Jolly's Corner Market made credit sales during the month of October of $225,000. The sales are subject to a 6% sales tax that was also collected. Which of the following would be included in the summary journal entry to reflect the sale transactions?
Suppose investors can earn a return of 2% per 6 months on a Treasury note with 6 months remaining until maturity. What price would you expect a 6-month maturity Treasury bill to sell for?
Monroe Company owes $1 million that is due on January 15. The company borrows $600,000 on January 8 (5-year note) and uses the proceeds to pay down the $1 million note and uses other cash to pay the balance.
A test has a mean of 104 and a standard deviation of 16. We want to be 98% certain that we are within 4 points of the true mean. What is the required sample size?
Depreciable asset A was purchased January 2, 2007. It originally cost $540,000 and, for depreciation purposes, the straight-line method was originally chosen.
In addition, the company had an interest expense of $210 000 and a tax rate of 30%. (Ignore any tax loss carry-back or carry-forward provisions.)
What is the highest price, in terms of a rate per hour, that Brandilyn Toy Company should be willing to pay for additional capacity (that is, for added direct labor time)?
Customer arrives at a checkout counter in a department store have a Poisson distribution with average of 4 arrivals every 30 minutes. For a given hour, find the probability that at least 2 customers arrive.
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