Probability exercises review, Assignments of Mathematics

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a) b) c)

P(B)

a) 0 b) 0

a) b) c) d)

BINOM.DIST(3,20,0.1, TRUE) – BINOM.DIST(0,20,0.1, TRUE)

a) N 225 S mean 14. S St Dev 8.

a) 42/300 = 0. b)

Claim Probability claim^2 Claim 0 0.99 0 0 500 0.008 250000 500 5000 0.002 25000000 5000 Expected claim = 14 Claims variance = Total expected claims = 560000 Claims st. Dev = Expected revenue = 600000 Net profits St dev = E(x) = Expected net profit = $ 40, Probability (profit > 0) = 0.