Question

Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol for the indicated parameter.

A researcher claims that the amounts of acetaminophen in a certain brand of cold tablets have a standard deviation different from the  = 3.3 mg claimed by the manufacturer.

Group of answer choices

a) H₀:   3.3 mg
H₁:  > 3.3 mg

b) H₀:   3.3 mg
H₁:  = 3.3 mg

c) H₀:  = 3.3 mg
H₁:   3.3 mg

d) H₀:   3.3 mg
H₁:  < 3.3 mg

Answer 1

................................(Two tailed)