Ophelia McPhee, VP of Consumer Credit, Confederation First Bank (CFB) $\mu$

question 58

Multiple Choice

Ophelia McPhee, VP of Consumer Credit, Confederation First Bank (CFB) , monitors the default rate on personal loans among CFB members.One of her standards is: "no more than 5% of personal loans should be in default." On each Friday, the default rate is calculated for a sample of 500 personal loans.Last Friday's sample contained 30 defaulted loans.Ophelia's null hypothesis is ___.

• A)p > 0.05
• B)p = 0.05
• C)\(\mu\)\(\le\) 30
• D)\(\mu\)> 30
• E)s > 30

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Definitions:

White Blood Cells

Immune system cells that defend the body against infectious diseases and foreign substances.

Histamine

A compound found in the body as a part of the immune response that causes dilation of capillaries, contraction of smooth muscle, and stimulation of gastric acid secretion, involved in allergic reactions.

Heparin

A medication used as an anticoagulant to prevent and treat blood clots.

Basophils

A type of white blood cell involved in immune responses and inflammation, known for releasing histamine and other chemicals during allergic reactions.