Kortholts That Fail to Meet Certain Precise Specifications Must Be

Multiple Choice

Kortholts that fail to meet certain precise specifications must be reworked on the next day until they are within the desired specifications. A sample of one day's output of kortholts from the Melodic Kortholt Company showed the following frequencies: $\begin{array}{|c|c|c|c|}\hline&\text { Plant A }&\text { Plant B }&\text { Row Total }\\\hline \text {Specification Met}&185 & 85&270 \\\hline \text { Specification Not Met }&15 & 15& 30\\\hline \text { Col Total }&200 & 100 &300\\\hline\end{array}$ Find the chi-square test statistic for a hypothesis of independence.

A) 7.22
B) 4.17
C) 5.13
D) 6.08