Question 862862
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Hi
p(hitting target) = 1/6,  n = 12
1. P(x  &#8805;  2) = 1 - binomcdf(12, 1/6,1)
2, P(x = 1) = binompdf(11, 1/6, 1)
3. E = {{{(1/6)12 = 2}}}, s = {{{sqrt(2(5/6))}}}