Question

Express the null hypothesis and the alternative hypothesis in symbolic form. Carter Motor Company claims that its new sedan, the Libra, will average at least 25 miles per gallon in the city. Use μ, the true average mileage of the Libra. C)

Answer 1

Given that, Carter Motor Company claims that its new sedan, the Libra, will average at least 25 miles per gallon in the city.

Here, the null and the alternative hypotheses are,

$\text { Null Hypothesis : } H_0: \mu \geq 25 \text { ( claim ) }$

$\text { Alternative Hypothesis : } H_a: \mu < 25$