John is about to roll a six-sided, fair number cube 60 times. He wants to predict how many times the cube will land on an even number. He makes a prediction of 20 times. Is it a good prediction? What would your prediction be based on theoretical probability?

Question

Chace Khan

Mathematics

12 May, 16:54

John is about to roll a six-sided, fair number cube 60 times. He wants to predict how many times the cube will land on an even number. He makes a prediction of 20 times. Is it a good prediction? What would your prediction be based on theoretical probability?

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Answers (1)

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Edwin Petersen · Answer 1

Even numbers

so each dice has numbers

1,2,3,4,5,6

the eve numbers are

2,4,6

odd are others

1,3,5

so 1/2 are odd

therefor 1/2 of 60 is how many times it would get even

1/2 of 60=1/2 times 60=30

No not good predicition

my prediction would be 30 tiemes