The Next Questions Are Based on the Following Information

question 30

Multiple Choice

The Next Questions Are Based On The Following Information:
The manufacturer of a new chewing gum claims that at least 80% of dentists surveyed prefer their type of gum and recommend it for their patients who chew gum.An independent consumer research firm decides to test their claim.The findings in a sample of 200 dentists indicate that 74.1% of the respondents do actually prefer their gum.
-Which of the following statements is most accurate?

• A)Fail to reject the null hypothesis at α ≤ 0.10
• B)Reject the null hypothesis at α = 0.05
• C)Reject the null hypothesis at α = 0.10,but not 0.05
• D)Reject the null hypothesis at α = 0.01

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Definitions:

Cement Plant

A facility that produces cement from raw materials through a process of grinding and calcination.

Earthquakes

Sudden ground movements or shaking caused by the release of stress accumulated along geological faults or by volcanic activity.

Volcano

A rupture in the planet's surface through which magma, ash, and gases are expelled.

Oil Field

An area underlain by reservoirs containing petroleum and natural gas extractable through drilling.