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A number cube is rolled 360 times and the results are recorded as follows: 41 ones, 54 twos, 62 threes, 75 fours, 33 fives, and 95 sixes. What is the experimental probability of rolling a two or a three?
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Jan 3, 2018
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A number cube is rolled 360 times and the results are recorded as follows: 41 ones, 54 twos, 62 threes, 75 fours, 33 fives, and 95 sixes. What is the experimental probability of rolling a two or a three?
A. 0.32
B. 0.18
C. 0.07
D. 0.68
Mathematics
middle-school
Aliteralmind
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Answer:
its obviously A
Roman Snitko
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Jan 4, 2018
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Roman Snitko
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Let's attribute a to equal probability of 2 and b to equal probability of 3
A=54/360 B=62/360
"or" means you combine the probabilities which means that AvB =116/360
now simply divide 116 by 360 and you get your answer which is 0.32
A is the correct answer my dude
Leo Khoa
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Jan 7, 2018
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