Question 927102
p(left-handed) = .08, p (not left-handed) = .92, n = 20
P(x = 0LH) = .92^20
P(x ≤ 2LH) = binomcdf(20, .08, 2) = .7879 0r 78.79%
mean = .08(20) = 1.6 .s = {{{sqrt(.08*.92*20)}}} = 1.2133
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Mutually Exclusive Events  cannot occur at the same time.  
events are independent if the occurrence of one does not affect the other
If two events are mutually exclusive, they cannot be independent and vice versa
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Mutually Exclusive: buy or not buy
Independent Events: Male Employees: 25 years old & Female Employees: 25 years old