A Package of 10 Batteries Is Checked to Determine If

question 2

Multiple Choice

A package of 10 batteries is checked to determine if there are any dead batteries.Four batteries are checked.If one or more are dead, the package is not sold.What is the probability that the package will
Not be sold if there are actually three dead batteries in the package?

• A)2/3
• B)6/7
• C)5/6
• D)4/5

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Definitions:

Population Mean

The average of a set of values, taken from the entire population of data.

Confidence Level

The probability that a population parameter will fall between a set of values for a certain proportion of times.

Confidence Interval

A range of values, derived from sample data, that is likely to contain the value of an unknown population parameter with a specified level of confidence.

Confidence Interval

A variety of values, sourced from sample statistics, with a high likelihood of containing an undetermined population parameter's value.