Test___Unit_3_Nov_16___V2___solutions

Test___Unit_3_Nov_16___V2___solutions - Solutions to Test...

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1. d 2. b 3. e 4. a 5. b 6. c 7. for complete answers, consult your text. But here are some common errors: (a) A simple random sample must provide not only the same chance for each member of the population to be chosen, but also each subset of size n must have an equal chance of being chosen. 8. there is no #8 9. there is no #9 10. (a) Take each digit as a roll of the die. If the random digit is 0, 7, 8, 9 ignore it. Otherwise, the random digit is the die roll. Keep taking numbers until you have encountered one of each of 1, 2, 3, 4, 5, and 6. Once they have all been encountered, stop; count the number of rolls. Determine the payout. Repeat, starting where you left off. (Or, stop after 15 rolls, since the game is essentially over at that point.) (c) The three trials result in 10 rolls, then 16 rolls, then more than 15 rolls. The payouts are $10, $0, and $0. The average payout is $3.33.
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