Use the Runs Test to Determine Whether the Given Sequence $\begin{array} { l } \text {A A D A A A D A A D }\\ \text {A D A A A D A A A A }\\ \text {A A D D A A A A D A }\\\end{array}$

question 134

Essay

Use the runs test to determine whether the given sequence is random. Use a significance level
of 0.05. A sample of 30 clock radios is selected in sequence from an assembly line. Each
radio is examined and judged to be acceptable (A)or defective (D). The results are shown
below. Test for randomness. $\begin{array} { l } \text {A A D A A A D A A D }\\ \text {A D A A A D A A A A }\\ \text {A A D D A A A A D A }\\\end{array}$

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Definitions:

Test Pilots

Skilled aviators who fly new or modified aircrafts to validate design objectives, ensure safety, and recommend improvements.

Airplane Makers

Companies and manufacturers that specialize in the design and production of aircraft.

Required Skills

The specific abilities, knowledge, and expertise that are necessary for an individual to perform a job effectively.

Marginal Contribution

The additional benefit or output produced from using one more unit of a resource.