Consider the following binomial experiment. A company owns 5 copiers. The probab

Question

Consider the following binomial experiment. A company owns 5 copiers. The probability that on a given day any one copier will break down is 12?25 . What is the probability that 3 copiers will break down on a given day?

a) 0.1606

b) 0.3521

c) 0.2990

d) 0.4371

e) 0.0010

Consider the following Binomial Experiment: The probability that a cell phone manufactured at Electronics Unlimited is defective is 0.12. If a sample of 7 cell phones is selected at random, what is the probability that at least 1 is defective?

a) 0.3596

b) 0.5913

c) 0.4644

d) 0.5356

e) 0.4087

Explanation / Answer

P(x=3) = 5 c 3 0.48^3 0.52^2

= 10 * 0.48^3 * 0.52^2

0.2990

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