SCENARIO 10-12
a Quality Control Engineer Is in Charge of the Manufacture

question 31

Short Answer

SCENARIO 10-12
A quality control engineer is in charge of the manufacture of USB flash drives. Two different
processes can be used to manufacture the flash drives. He suspects that the Kohler method produces a
greater proportion of defects than the Russell method. He samples 150 of the Kohler and 200 of the
Russell flash drives and finds that 27 and 18 of them, respectively, are defective. If Kohler is
designated as "Group 1" and Russell is designated as "Group 2," perform the appropriate test at a
level of significance of 0.01.
-Referring to Scenario 10-12, the hypotheses that should be tested are: a) $H _ { 0 } : \pi _ { 1 } - \pi _ { 2 } = 0$ versus $H _ { 1 } : \pi _ { 1 } - \pi _ { 2 } \neq 0$
b) $H _ { 0 } : \pi _ { 1 } - \pi _ { 2 } \neq 0$ versus $H _ { 1 } : \pi _ { 1 } - \pi _ { 2 } = 0$
c) $H _ { 0 } : \pi _ { 1 } - \pi _ { 2 } \leq 0$ versus $H _ { 1 } : \pi _ { 1 } - \pi _ { 2 } > 0$
d) $H _ { 0 } : \pi _ { 1 } - \pi _ { 2 } \geq 0$ versus $H _ { 1 } : \pi _ { 1 } - \pi _ { 2 } < 0$

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Definitions:

Social Pressure

The influence that a group can exert on an individual, affecting their behavior and decisions.

Reproductive Freedom

The right of individuals to decide freely and responsibly the number, spacing, and timing of their children and to have the information and means to do so.

Unbiased Sex Education

Sex education that is factual, comprehensive, and free from prejudice, aiming to provide learners with knowledge about sexual health without imparting societal biases.

Safe Abortion

Safe abortion indicates a medical procedure that is performed to terminate a pregnancy, conducted under conditions that minimize the risk to the health of the person undergoing the procedure.