Question

The probability of a head occurring when a biased coin is tossed is 0.58. If the coin is tossed six times, what is the probability of obtaining at most two heads in the six tosses??

Answers

binomial probability

(t + h)^6 ... (.42 + .58)^6 ... the 1st three terms of the expansion

p = .42^6 + 6(.42^5 * .58) + 15(.42^4 * .58^2) ...

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