A pair of dice is rolled. let X be the sumof the number of dots onthe top faces.The table below shows the probabiltydistribution. what is the probability thatthe sum is at least 8? *2 3 4 5 6 7 8 91/95/3611 121/18 1/3610P(X)1/361/181/121/65/361/91/12

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Answered: A pair of dice is rolled. let X be the…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

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The accompanying table describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Complete parts (a) through (d) below. E Click the icon to view the table, a. Find the probability of getting exactly 1 girl in 8 births. (Type an integer or a decimal. Do not round.) Probability distribution for x b. Find the probability of getting 1 or fewer girls in 8 births. Number of Girls x (Type an integer or a decimal. Do not round.) P(x) 0.002 0.019 0.119 c. Which probability is relevant for determining whether 1 is a significantly low number of girls in 8 births: the result from part (a) or part (b)? 1 O A. Since the probability of getting more than 1 girl is the complement of the result from part (b), this is the relevant probability. 3 0.189 O B. Since the probability of getting 1 girl is the result from part (a), this is the relevant probability. 0.342 5 0.189 OC. Since the probability of getting 0 girls is…
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A pair of dice is rolled. let X be the sum of the number of dots onthe top faces. The table below shows the probabilty distribution. what is the probability that the sum is at least 8? * 11 12 2 1/36 1/18 3 7 8 9 10 P(X) 1/12 1/9 5/36 1/6 5/36 1/9 1/12 1/18 1/36