The Manager of a Store Buys Portable Radios in Lots

question 25

Multiple Choice

The manager of a store buys portable radios in lots of 12. Suppose that, on the average, 2 out of each group of 12 are defective. The manager randomly selects 6 radios out of the group to test. What is the probability that he will find 3 defective radios? Round your answer to six decimal places. ​

• A)Pr(3 Defective) = 0.017861
• B)Pr(3 Defective) = 0.021433
• C)Pr(3 Defective) = 0.035722
• D)Pr(3 Defective) = 0.026792
• E)Pr(3 Defective) = 0.053584

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Definitions:

Equality/Inequality

Equality refers to the state of being equal, especially in status, rights, and opportunities, while inequality denotes the existence of unequal opportunities and disparities.

Ethnographic Study

A qualitative research method focused on the systematic study of people and cultures, often through observation and interviews, to understand social practices and phenomena.

Margaret Mead

An influential American cultural anthropologist who contributed significantly to the field through her studies of the socialization processes in Pacific Island cultures.

Whiteness

A social construct referencing the cultural, historical, and sociopolitical advantages and privileges that benefit people identified as white.