When a Particular Machine Is Functioning Properly, 80% of the Items

question 112

Short Answer

When a particular machine is functioning properly, 80% of the items produced are non-defective. If three items are examined, what is the probability that one is defective? Use the binomial probability function to answer this question.

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Definitions:

One-sample T Statistic

A statistic used to compare the mean of a single sample to a known or hypothesized population mean.

P-value

The chance of getting test findings that are at least as unusual as the ones actually seen, given that the null hypothesis holds.

Null Hypothesis

A default hypothesis that there is no effect or difference, and any observed change in the data is due to random chance.

Confidence Interval

An interval estimate of a population parameter that provides a range of values which is likely to include the parameter of interest.