# Question

The number of orders per week, X, for radios can be assumed to have a Poisson distribution with parameter λ = 25.

(a) Find P{X ≥ 25} and P{X = 20}.

(b) If the number of radios in the inventory is 35, what is the probability of a shortage occurring in a week?

(a) Find P{X ≥ 25} and P{X = 20}.

(b) If the number of radios in the inventory is 35, what is the probability of a shortage occurring in a week?

## Answer to relevant Questions

Consider the following game. Player A flips a fair coin until a head appears. She pays player B 2n dollars, where n is the number of tosses required until a head appears. For example, if a head appears on the first trial, ...The life of electric lightbulbs is known to be a normally distributed random variable with unknown mean μ and standard deviation 200 hours. The value of a lot of 1,000 bulbs is (1,000) (1/5,000) μ dollars. A random sample ...The random variable X has density function f given by (a) Determine K in terms of θ. (b) Find FX(b), the CDF of X. (c) Find E(X). (d) Suppose Consider the following network. Assume that each component is independent with probability pi of performing satisfactorily. (a) Find all the minimal paths and cuts. (b) Compute the exact system reliability, and evaluate it ...Consider a system consisting of three components (labeled 1, 2, 3) that operate simultaneously. The system is able to function satisfactorily as long as any two of the three components are still functioning satisfactorily. ...Post your question

0