probability

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    two unbiased dice are thrown. find the probability that the total number on the dice is greater than

    two unbiased dice are thrown. find the probability that the total number on the dice is greater than 10 From our 2 dice calculator: We have (5,6),(6,5),(6,6) P(Sum) > 10 is 1/12
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    Probability of getting either a sum of 8 or at least one 4 in the roll of a pair dice

    Sum of 8 equal to 5/36 shown here. At least one 4 means one of three scenarios: (4, not 4) = 1/6 * 5/6 = 5/36 (not 4, 4) = 5/6 * 1/6 = 5/36 (4, 4) = 1/6 * 1/6 = 1/36 The phrase "or", means we add both probabilities (sum of 8) and (at least one 4): 5/36 + (5/36 + 5/36 + 1/36) 16/36 Simplify...
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    There are 113 identical plastic chips numbered 1 through 113 in a box. What is the probability of re

    There are 113 identical plastic chips numbered 1 through 113 in a box. What is the probability of reaching into the box and randomly drawing a chip number that is greater than 44? We want 45, 46, … 113 The formula to get inclusive number count between and including 2 numbers is: Total numbers...
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    Suppose two number cubes are rolled. What is the probability of rolling a sum greater than 8?

    List out the sums greater than 8: (4, 5) (4, 6) (5, 5) (5, 6) (6, 6) (5, 4) (6, 4) (6, 5) Since there are 6 * 6 = 36 total outcomes, we have the probability of the sum greater than 8 as: 8/36 = 2/9
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    100 students were interviewed. 72 ate at A, 52 ate at B. How many ate at A and B?

    P(A U B) = P(A) + P(B) - P(A intersection B) 100 = 72 + 52 - P(A intersection B) P(A intersection B) = 72 + 52 - 100 P(A intersection B) = P(who ate at A and B) = 24
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