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what is the probability that a …

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what is the probability that a number selected at random from the no. 1,2,2,3,3,3,4,4,4,4 will br their average
  • 1 answers

Adithya Dev A 4 years, 4 months ago

Average of the no.s = (1 + 2 + 2 + 3 + 3 + 3 + 4 + 4 + 4 + 4) / 10 = 30/10 = 3// Favourable outcomes = 3,3,3 = 3// Therefore, if E means "getting average", P(E) = Favourable outcomes / Total outcomes = 3/10 = 0.3//
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