question archive A lamp uses 4 light bulbs
Subject:MathPrice: Bought3
A lamp uses 4 light bulbs. Suppose that each of the light bulbs that you own has the 80% probability of lasting for the entire next year. If you need to calculate the number of light bulbs you are expected to buy for this lamp during the next year, which of these distributions should be used?
a) Binomial
b) Exponential
c) Normal
d) Poisson