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Find the following probabilities for X = pulse rates of women, for which the mean is 75 and the standard deviation is 8. Assume a normal distribution.
a. P(X ≤ 71).
b. P(X ≥ 85).
c. P(59 ≤ X ≤ 95).
If an urn is selected at random and a ball is drawn, find the probability it will be red.
a gambler has a fair coin with one head and one tail and a two-headed coin. he selects one of the coins at random and
A person's body temperature is found to be 101.00 °F. Is the result unusual? Why or why not? What should you conclude? What body temperature is the 95th percentile?
Calculate the interquartile range and construct the less then give
An electric power trading company has an option to buy 1,000,000 terawatts of electricity from a producer for $10 per terawatt. Other electric power trading companies have received this option and the company knows a decision must be made quickly.
11 women and 9 men are the contestant in a competition. If 3 winners are ramdomly selected. what is the probability that they are all men?
You have made an investment that pays you $2,000 at the end of the first year, and then decreases by 9% each year for 4 more years (5years total). What is the FUTURE worth of this investment? (interest rate= 9%).
Due to large losses incurred in the past several years, a firm has $2 billion in tax-loss carryforwards. This means that the next $2 billion of the firm's income will be free from corporate income taxes.
Assuming that the products are similar in all respects, what is the probability that one product out performs the other three in each year of a given three year period?
Show that it is an unbiased estimator of the variance of X1 but that its variance is larger than that of s2, at least when the i.i.d. Xi have a normal distribution. Hint: If X has a standard normal N (0, 1) distribution, then EX 3 = 0 and EX 4 = 3..
Prepare the company's trial balance as of June 30, 2014, listing accounts in proper sequence. For example, Accounts Receivable comes before Building. List the expense with the largest balance first, the expense with the next largest balance second..
For the random processes of Examples 10.3, 10.4, 10.5, and 10.6, identify whether the process is discrete-time or continuous-time, discrete-value or continuous-value.
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