Ajax Peanut Butter's Quality Control Allows 2 Percent of the Jars

question 79

Multiple Choice

Ajax Peanut Butter's quality control allows 2 percent of the jars to exceed the quality standard for insect fragments.A sample of 150 jars from the current day's production reveals that 30 exceed the quality standard for insect fragments.Which is incorrect?

• A)Normality of p may safely be assumed in the hypothesis test.
• B)A right-tailed test would be appropriate.
• C)We strongly suspect that quality control standards are not met.
• D)Type II error is more of a concern in this case than Type I error.

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Definitions:

Room Temperature

The average ambient indoor temperature, typically considered to be about 20°C (68°F) to 22°C (72°F).

Formal Appearance

The act or requirement of presenting oneself in a prescribed, professionally acceptable manner or attire, often within a work or official setting.

Warm Colors

Hues in the color spectrum known for their association with warmth, typically including reds, oranges, and yellows.

Fairly Bright Light

A level of illumination that is significantly luminous but not overwhelming, often considered comfortable for visibility.