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2,3,6,7 are black; find probability of spinning black or an even number

2006-07-29 13:47:30 · 8 answers · asked by Anonymous in Education & Reference Homework Help

8 answers

The answer to the first problem is 1/2 (assuming that the highest number is 8). The reason is you have only four possibilities which are either white or 8, of a total of 8 possibilities. I assume that what your teacher wants you to learn here is that you only count the 8 once, not twice.

The answer to the second problem is 3/4. Note that there are four black numbers, and two even numbers not already counted, for a total of six numbers that are either even or black. Thus the probability is 6/8, which simplifies to 3/4.

2006-07-29 14:28:35 · answer #1 · answered by Pascal 7 · 0 1

Probablility of spinning a white = 4/8 = 0.5

Probability of spinning an 8 = 1/8 = 0.125

Probablity of Spinning a black = 4/8 = 0.5

Probablility of Spinning an even number = 4/8 = 0.5

Cheers.

2006-07-30 23:06:41 · answer #2 · answered by isz_rossi 3 · 0 0

probability of spinning white = 4/8
probability of spinning eight = 1/8
probability of spinning black = 4/8
probability of spinning even = 4/8

2006-07-29 14:24:28 · answer #3 · answered by Anonymous · 0 0

Odds of 8 = 8 to 1
Black = 1 to 1
White = 1 to 1

2006-07-29 13:52:10 · answer #4 · answered by dollhaus 7 · 0 0

you have a 50% chance of spinning black or white. you have a 50% chace of spinning an even or an odd number. you have a 12.5% chance of spinning 8.

2006-07-29 13:54:51 · answer #5 · answered by D. P. 2 · 0 0

Black 50/50
Even 50/50

2006-07-29 13:51:16 · answer #6 · answered by digitalhandout 3 · 0 0

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2016-12-10 17:57:59 · answer #7 · answered by dricketts 4 · 0 0

1/6 = 16.6%

2006-07-29 13:51:47 · answer #8 · answered by pjk837 5 · 0 0

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