A Salesperson Either Makes a Sale (S) or Does Not

question 105

Short Answer

A salesperson either makes a sale (S) or does not make a sale (N) with each of two potential customers. The simple events and their probabilities are given below.
a. What is the probability that no sales are made?
______________
b. What is the probability that at least one sale is made?
______________
c. What is the probability that exactly one sale is made?
______________
d. What is the probability that exactly two sales were made?
______________

---

Definitions:

\(z\)

Often used to represent a complex number in the form of \(z = a + bi\), where \(a\) and \(b\) are real numbers and \(i\) is the imaginary unit.

Coefficient

A coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g., 4 in 4x).

Binomial

A polynomial with exactly two terms.

\(x^6\)

A mathematical expression representing a variable, x, raised to the power of 6.