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Maryland lottery. For a lottery to be successful, the public must have confidence in its fairness. One of the lotteries in Maryland is Pick-3 Lottery, where 3 random digits are drawn each day.7  A fair game depends on every value (0 to 9) being equally likely at each of the three positions. If not, then someone detecting a pattern could take advantage of that and beat the lottery. To investigate the randomness, we’ll look at data collected over a recent 32-week period. Although the winning numbers look like three-digit numbers, in fact, each digit is a randomly drawn numeral. We have 654 random digits in all. Are each of the digits from 0 to 9 equally likely? Here is a table of the frequencies.(Maryland State Lottery Agency, www.mdlottery.com)

(a) Select the appropriate procedure.

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(b) Check the assumptions.

(c) State the hypotheses.

(d) Test an appropriate hypothesis and state your results.

(e) Interpret the meaning of the results and state a conclusion.

 
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