A Package Delivery Service Claims That No More Than 5

question 13

Multiple Choice

A package delivery service claims that no more than 5 percent of all packages arrive at the address late. Assuming that the conditions for the binomial hold, if a sample of size 10 packages is randomly selected, and the 5 percent rate holds, what is the probability that exactly 2 packages in the sample arrive late?

• A) 0.0746
• B) 0.9884
• C) 0.2347
• D) 0.0439

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Definitions:

Units of X

A generic term for the measurable quantity of a particular thing or variable being studied or utilized.

Leftward Shift

This denotes a movement to the left on a graph, often used in economics to indicate a decrease in supply or demand, leading to changes in price and quantity in the marketplace.

Consumer's Budget Line

A graphical representation of all possible combinations of goods and services that a consumer can purchase with a given income.

Money Income

The total amount of monetary earnings from wages, investments, rentals, and other sources before any deductions like taxes or other expenses.