Mathematics, 27.04.2021 14:00, sophx
Ten thousand people each buy a lottery ticket. Each lottery ticket costs $1. 100 people are chosen as winners. Of those 100 people, 90 will win $3, 9 will win $100, and one lucky winner will win $6000. Let X denote the profit (profit = winnings - cost) of a randomly chosen player of this game.
A. Give both the possible values and probability mass function for X.
B. Find P(X โฅ 100).
C. Compute E[X] and Var(X).
Answers: 1
Mathematics, 22.06.2019 04:30, mustachegirl311
Which expression represent a number that is one fourth as great as 10-2a. (10-2)+4b. (10-2)รท4c. (10-2)-4d. (10-2)ร4
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Mathematics, 22.06.2019 05:10, IsoSaysHi
What is the slope of the line? the graph shows the relationship between the volume of a rectangular prism and the volume of a square pyramid with an identical base and height. prism vs. pyramid prism volume (cubic units) + 1 2 3 4 5 6 7 8 9 10 pyramid volume (cubic units)
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Mathematics, 22.06.2019 06:10, toricepeda82
Triangle abc is a right triangle. find the measure of side b. round to the nearest hundredth. a) 6.13 cm b) 6.71 cm c) 9.53 cm d) 10.54 cm e) 12.45 cm
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Ten thousand people each buy a lottery ticket. Each lottery ticket costs $1. 100 people are chosen a...
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