# Question: Patient response to a generic drug to control

Patient response to a generic drug to control pain is scored on a 5-point scale, where a 5 indicates complete relief. Historically the distribution of scores is

1 2 3 4 5

0.05 0.1 0.2 0.25 0.4

Two patients, assumed to be independent, are each scored.

(a) What is the probability mass function of the total score?

(b) What is the probability mass function of the average score?

1 2 3 4 5

0.05 0.1 0.2 0.25 0.4

Two patients, assumed to be independent, are each scored.

(a) What is the probability mass function of the total score?

(b) What is the probability mass function of the average score?

**View Solution:**## Answer to relevant Questions

In a manufacturing process that laminates several ceramic layers, 1% of the assemblies are defective. Assume that the assemblies are independent. (a) What is the mean number of assemblies that need to be checked to obtain ...The random variable X has the following probability distribution: X 2 3 5 8 Probability 0.2 0.4 0.3 0.1 Determine the following: (a) P(X < 3) (b) P(X > 2.5) (c) P(2.7 < X < 5.1) (d) E(X) (e) V(X)From 500 customers, a major appliance manufacturer will randomly select a sample without replacement. The company estimates that 25% of the customers will provide useful data. If this estimate is correct, what is the ...Derive the formula for the mean and standard deviation of a discrete uniform random variable over the range of integers.In the final inspection of electronic power supplies, three types of nonconformities might occur: functional, minor, or cosmetic. Power supplies that are defective are further classified as to type of nonconformity.Post your question