Mathematics, 22.04.2020 03:40 glowbaby123
Suppose that 30% of all students who have to buy a text for a particular course want a new copy (the successes!), whereas the other 70% want a used copy. Consider randomly selecting 25 purchasers. (a) What are the mean value and standard deviation of the number who want a new copy of the book? (b) What is the probability that the number who want new copies is more than two standard deviations away from the mean value? (c) The bookstore has 15 new copies and 15 used copies in stock. If 25 people come in one by one to purchase this text, what is the probability that all 25 will get the type of book they want from current stock? [Hint: Let X ¼ the number who want a new copy. For what values of X will all 25 get what they want?] (d) Suppose that new copies cost $100 and used co
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Mathematics, 21.06.2019 17:30, ahnagoede2768
Thelime contains the point(-3,0) and parallel x-3y=3( show all work)
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Mathematics, 21.06.2019 17:50, beard6488
Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00
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Mathematics, 21.06.2019 21:00, kaylaamberd
What is the value of m in the equation 1/2 m - 3/4n=16 when n=8
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Suppose that 30% of all students who have to buy a text for a particular course want a new copy (the...
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