Mathematics, 29.01.2020 04:48, destinyaus14
Afair die is rolled and the sample space is given s={1,2,3,4,5,6}. let a={1,2} and b={3,4}. which of the following statements is true?
a. a and b are mutually exclusive
b. p(a or b)=4/6.
c. p(a or b) = p(a)+p(b).
d. all of the choices are correct.
Answers: 3
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Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.
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Afair die is rolled and the sample space is given s={1,2,3,4,5,6}. let a={1,2} and b={3,4}. which of...
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