Consider a Claim That 60% of the Mice in a Region

question 12

Multiple Choice

Consider a claim that 60% of the mice in a region have parasitic infections. We can use an ?² goodness-of-fit test to test whether the proportion is indeed 60%. Consider a study in which we collect a random sample of 50 mice and 36 have infections. Calculate the ?² value, and using the table of critical values shown, what is the P-value range we would obtain for our test?
?
$\begin{array}{c}\chi^{2} \text { critical values }\\\text { for } d f=2\\\begin{array}{ll}\text { Sig. level } & \text { Value } \\\hline 0.05 & 3.84 \\0.025 & 5.02 \\0.01 & 6.63\end{array}\end{array}$

• A) P > 0.05
• B) 0.025 < P < 0.05
• C) 0.01 < P < 0.025
• D) P < 0.01

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Definitions:

Biohazard Symbol

A universally recognized symbol used to signal the presence of biological substances that pose a threat to health and safety.

Biological Specimens

Samples of biological material, such as blood, tissues, or cells, used for diagnostic, research, or teaching purposes.

Pathogens

Microorganisms that cause disease in hosts, including bacteria, viruses, fungi, and parasites.

HBV (Hepatitis B Virus)

A serious liver infection caused by the hepatitis B virus that can become chronic and lead to liver failure, cancer, or cirrhosis.