Question

probability distribution of (x) x P(x) 0 0.186 1 0.403 2 0.258 3 0.126 4 0.023...

probability distribution of (x)
x P(x)
0 0.186
1 0.403
2 0.258
3 0.126
4 0.023
5 0.004

The accompanying table describes the random variable​ x, the numbers of adults in groups of five who reported sleepwalking. Complete parts​ (a) through​ (d) below. (a)Find the probability of getting exactly 4 sleepwalkers among 5 adults.

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Answer #1

The probability of getting exactly 4 sleepwalkers among 5 adults.

P[X=4]

=0.023

Probability value at x=4 from given probability distribution table is =0.023

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