SOLUTION: Suppose the number of radios in a household has a binomial distribution with parameters n = 8, and p = 50 %. Find the probability of a household having: a) 2 or 6 radios (b) 4

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Question 1100531: Suppose the number of radios in a household has a binomial distribution
with parameters n = 8, and p = 50 %.
Find the probability of a household having:
a) 2 or 6 radios
(b) 4 or fewer radios
(c) 2 or more radios
(d) fewer than 6 radios
(e) more than 4 radios

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
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a) P=P%282%29%2BP%286%29=0.2188
b) P=P%280%29%2BP%281%29%2BP%282%29%2BP%283%29%2BP%284%29=0.6367
c) P=P%282%29%2BP%283%29%2BP%284%29%2BP%285%29%2BP%286%29%2BP%287%29%2BP%288%29=0.9648
d) P=P%280%29%2BP%281%29%2BP%282%29%2BP%282%29%2BP%283%29%2BP%284%29%2BP%285%29=0.8555
e) P=P%285%29%2BP%286%29%2BP%287%29%2BP%288%29=0.3633