Question 854651
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Hi,
 p(crash)= .0423, p(no crash) = .9577
3 cars
P(at least one crash) = 1 - P(no crash) = 1 - (.9577)^3 = 1- .8784 = .1216
Using {{{P (x)= highlight_green(nCx)(p^x)(q)^(n-x) }}} 
P(no crash) = (.9577)^3