Two Chips Are Drawn at Random and Without Replacement from a Bag

question 79

Essay

Two chips are drawn at random and without replacement from a bag containing two blue chips and two red chips. Events A and B are defined as follows.
A: {Both chips are red}
B: {At least one of the chips is blue}
a. Identify the sample points in the event $A \cup B$ .
b. Find $P ( A \cup B )$ .

---

Definitions:

Standard Error

The standard deviation of the sampling distribution of a statistic, typically the mean, indicating the accuracy of a sample mean estimate relative to the population mean.

Confidence Interval

A range of values derived from sample data that is likely to cover the true population parameter with a specified level of confidence.

Sample

A subset of individuals or observations drawn from a larger population for the purpose of statistical analysis.

Mean

The mean of a collection of numbers, found by dividing the total sum of the numbers by the quantity of numbers.