Use the probability distribution to complete parts (a) through (d) below. The probability distribution of number...

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Use the probability distribution to complete parts (a) through (d) below. The probability distribution of number...

Use the probability distribution to complete parts (a) through (d) below. The probability distribution of number of televisions per household in a small town x 0 1 2 3 P(x) 0.02 0.19 0.28 0.51 (a) Find the probability of randomly selecting a household that has one or two televisions.

math Statistics-And-Probability

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Answer 1

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Answer #1

Probability of randomly selecting a household that has 1 or 2 television equal to sum of probability of having 1 television and 2 television.

Hence probability is 0.19+0.28 = 0.47

Other Ways:

Consider there are 100 household, then

No of television Houses

0. 2

1. 19

2. 28

3 . 51

So number of houses having 1 or 2 television equal to 19+28 = 47 houses

Probability of selecting those houses = 47/100 = 0.47

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Answer 2

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