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Pre-test Read and analyze the following problems carefully. Then, write your answer on a separate sheet of paper. For items 1-3. Roland and Greg are rolling a 1-6 number cube. When the cube shows 1, 2 or 3, Roland wins. When it shows 4, 5, or 6 Greg wins. 1. What is the probability that Greg will win? A. ½ B. 1 C. ¼ D. 3/4 2. What is the probability that Roland will win? A. ½ B. 1 C. ¼ D. 3/4 3. If Roland and Greg play the game 60 times. About how many times would you expect Roland to win? A. 25 B. 30 C. 60 D. 120

non sense answer = report


Sagot :

Answer:

1 ) A. 1 / 2

2 ) A. 1 / 2

3 ) B. 30