Test Hypotheses About a Population Proportion
-A Method Currently Used $15 \%$

question 32

Short Answer

Test Hypotheses about a Population Proportion
-A method currently used by doctors to screen women for possible breast cancer fails to detect cancer in $15 \%$ of the women who actually have the disease. A new method has been developed that researchers hope will be able to detect cancer more accurately. A random sample of 60 women known to have breast cancer were screened using the new method. Of these, the new method failed to detect cancer in 7 . Calculate the test statistic used by the researchers for this test of hypothesis.

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Definitions:

Quit Jobs

The act of voluntarily leaving a position of employment, often in search of better opportunities or due to dissatisfaction.

Job Satisfaction

The level of contentment employees feel about their work, which can affect their performance and morale.

Customer Satisfaction

A measure of how well a company's products or services meet or surpass the expectations of its customers.

Life Events

Significant occurrences in an individual's life that can cause substantial changes, either positive or negative.