Assume That the Number of Customers Who Arrive at a Water

question 51

Multiple Choice

Assume that the number of customers who arrive at a water ice stand follows the Poisson distribution with an average rate of 6.4 per 30 minutes. What is the probability that three or four customers will arrive during the next 30 minutes?

• A)0.2365
• B)0.2884
• C)0.1888
• D)0.3517

---

Definitions:

Abortion

The expulsion of an embryo or fetus from the uterus.

African American

A racial or ethnic group in the United States with ancestry from any of the black populations of Africa.

Abortion Rate

The number of abortions carried out during a specific period in a given population, often measured per 1,000 women of childbearing age.

Fertility Drugs

Medications that stimulate the ovaries to produce eggs.