Chapter 6_1_19

Chapter 6_1_19 - 0.1 0.15 0.2 0.25 0.3 0.35 0.4 1 2 3 4...

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#19 a) It is a discrete probability distribution. ∑ P(x) = 1 and 0 ≤ P(x) ≥ 1 x P(x) x*P(x) 0 0.035 0 0.299242 1 0.074 0.074 0.273931 2 0.197 0.394 0.168194 3 0.32 0.96 0.001848 4 0.374 1.496 0.433008 1 2.924 1.176224 1.084539 b) Probability Distribution of Parental Involvement 0 0.05
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Unformatted text preview: 0.1 0.15 0.2 0.25 0.3 0.35 0.4 1 2 3 4 Number of Activities Probability c) [x*P(x)] = 2.924 The average number of activities that at least one parent of a K-5 th grader is involved in is expected to be about 2.9....
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