In a Box of 8 Batteries,5 Are Dead

question 104

Multiple Choice

In a box of 8 batteries,5 are dead.You choose two batteries at random from the box.Let the random variable X be the number of good batteries you get.Find the standard deviation of of X.

• A)σ = 0.78
• B)σ = 0.40
• C)σ = 0.47
• D)σ = 0.59
• E)σ = 0.63

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Definitions:

Malcolm Gladwell

An author and journalist known for exploring the intricacies of social sciences through his books and writings.

Connector

An individual or tool that links people with each other or links concepts, resources, or systems together facilitating interaction or understanding.

Weak Tie

A connection or relationship between individuals in a social network that is not strong, frequent, or emotionally close, but can provide new insights and opportunities because of its diversity.

Type Of Power

A classification within social and organizational settings that refers to the ability or capacity of an individual or group to influence the behavior of others, typically categorized into various forms such as coercive, legitimate, expert, referent, and reward power.