Estimate the Indicated Probability by Using the Normal Distribution as an Approximation

question 7

Multiple Choice

Estimate the indicated probability by using the normal distribution as an approximation to the binomial distribution. Estimate P(6) for n=18 and p=0.3 .

• A) 0.1239
• B) 0.1015
• C) 0.8513
• D) 0.1958

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Definitions:

Average Weight

The mean weight calculated by summing all the individual weights and dividing by the number of weights.

Inferential Statistics

Inferential statistics involve using data from a sample to make estimates or test hypotheses about the population from which the sample was taken.

Sample

A group of people or observations chosen from a broader population intended for statistical study.

Population

The complete collection of people or cases that are the focus of the study.