2 years ago

When rolling a fair number cube with numbers 1 through 6, what is the probability of rolling a number greater than 4?

1 answer:

6 0

If you include 4 the probability is 3/6 or 1/2. If 4 is not included it is 2/6 or 1/3. When four is included the possible numbers included are 4,5 and 6. If 4 is not included the possible numbers are 5 and 6.<span />

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The z-score of the information given is:
z=(x-μ)/σ
where
μ-mean
σ- standard deviation

from the information given:
x=93.02
μ=89
σ=√625=25
hence
z=(93.02-89)/25
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thus
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2 years ago

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Elena L [17]

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