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Assume a professor randomly picks three new teaching assistants from the total of 20 applicants-12 male and 8 female students. Let X be the number of females who are hired.
Find out the mean and standard deviation of X
Statistics and Probability, Statistics
There are 5 women and 8 men in a department. How many ways can a committee be selected if there must be 2 men and 2 women on the committee? Number of ways to select a committee containing 2 men and 2 women is
Your client wants to buy a business that provides financial advice to local small businesses. The firm generated $650,000 in cash flows during the previous year, and the discount rate to value firms in this sector is 11% ...
A particular brand of tires claims that its deluxe tire averages at least 50,000 miles before it needs to be replaced. From past studies of this tire, the standard deviation is known to be 8,000. A survey of owners of th ...
Suppose that a company's equity is currently selling for $26.00 per share and that there are 5.60 million shares outstanding. If the firm also has 46 thousand bonds outstanding, which are selling at 109.00 percent of par ...
In a survey of women in a certain country? (ages 20-?29), the mean height was 65.3 inches with a standard deviation of 2.71 inches. Answer the following questions about the specified normal distribution. ?(a) What height ...
In a survey of 100 people, 40 were casual drinkers (event D ), and 60 did not drink (event D ' ). Of the ones who drank, 6 had minor headaches. Of the non-drinkers, 9 had minor headaches. Let D represent set of surv ...
In 1896, the first U.S. Open Golf Championship was held. The winner's prize money was $160. In 2012, the winner's check was $1,360,000. Requirement 1: What was the annual percentage increase in the winner's check over th ...
An all-equiry business has 175M shares outstanding selling for $20/share. Management believes interest rates are unreasonably low and decides to execute a leveraged recapitalization. It will raise $1B in debt and repurch ...
A perpetuity pays $4300 at the end of every month for 11 months of each year. At the end of the 12th month of each year, it pays double that amount. If the effective ANNUAL rate is 9%, what is the present value of this p ...
A doctor wants to predict the birth weight of a newborn baby (measured in grams) based on the gestational age (measured in weeks) at the time of birth. The doctor uses 11 data points, with births ranging from 29 weeks to ...
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