Question

We can use the random number table to simulate outcomes from a given discrete probability distribution. Jose plays basketball and has probability 0.7 of making a free-throw shot. Let x be the random variable that counts the number of successful shots out of 10 attempts. Consider the digits 0 through 9 of the random number table. Since Jose has a 70% chance of making a shot, assign the digits 0 through 6 to "making a basket from the free throw line" and the digits 7 through 9 to "missing the shot."

(a) Do 70% of the possible digits 0 through 9 represent "making a basket"?

Yes. Three of the 10 digits represent "making a basket." Yes. Seven of the 10 digits represent "making a basket."     No. Seven of the 10 digits represent "making a basket." No. Three of the 10 digits represent "making a basket."

(b) Start at line 2, column 1 of the random number table. Going across the row, determine the results of 10 "trials." How many free-throw shots are successful in this simulation?

(c) Your friend decides to assign the digits 0 through 2 to "missing the shot" and the digits 3 through 9 to "making the basket." Is this assignment valid? Explain.

No. Three of the 10 digits represent "making a basket." Yes. Seven of the 10 digits represent "making a basket."     No. Seven of the 10 digits represent "making a basket." Yes. Three of the 10 digits represent "making a basket."

Answer 1

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