Christmas lights are often designed with a series circuit. This means that when one light burns out the entire string of lights goes black. Suppose that the lights are designed so that the probability a bulb will last 2 years is .995. The success or failure of a bulb is independent ofthe success or failure of other bulbs. a. 1|.i'il'hat is the probability that in a string of l lights a|| 1GB will last 2 wears?I b. 1|.i'il'hat is the probability that at least one bu|b will burn out in 2 wars?I