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:

Primary Sexual Characteristic

The main reproductive organs and structures that are present at birth and are directly involved in reproduction.

Secondary Sexual Characteristics

Physical traits not directly involved in reproduction but indicative of sex, such as enlarged breasts in females and deeper voices in males.

Ovaries

Female gonads that primarily produce estrogen and progesterone, but also produce lesser amounts of androgens (such as testosterone). Site of egg (ovum) production in females.

Identity Status

The stage or condition of an individual's identity in relation to personality development, often in terms of crises or commitments.