Mathematics, 28.02.2020 20:51 gaby8282
Suppose that 30% of all drivers stop at an intersection having flashing red lights when no other cars are visible. Of 15 randomly selected drivers coming to an intersection under these conditions, let X denote the number of those who stop. What is the expected value [E(X)] and the variance of X. And is the random variable X: a. binomial b. hypergeometric c. negative binomial d. poisson?
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*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer
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Suppose that 30% of all drivers stop at an intersection having flashing red lights when no other car...
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