A manufacturer claims that the mean amount of juice in its 473 mL bottles is 476 mL.A consumer advocacy group wants to perform a hypothesis test to determine whether the mean amount is actually less than this.The hypotheses are:
: μ = 476 mL
: μ

Question

A manufacturer claims that the mean amount of juice in its 473 mL bottles is 476 mL.A consumer advocacy group wants to perform a hypothesis test to determine whether the mean amount is actually less than this.The hypotheses are: 
: μ = 476 mL 
: μ < 476 mL
Explain the result of a Type I error.

Quizplus · Accepted Answer

In a Type I error, the advocacy group would incorrectly reject the null hypothesis and conclude that the mean amount of juice is less than 476 mL when in fact it is 476 mL. This means that the group would falsely accuse the manufacturer of providing less juice than advertised, which could have negative consequences for the company.

A Manufacturer Claims That the Mean Amount of Juice in Its