A Manufacturer Claims That the Mean Amount of Juice in Its

A manufacturer claims that the mean amount of juice in its $473 \mathrm {~mL}$ 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: H0: ? = 476 mL
HA: ? < 476 mL
Explain the result of a Type I error.

A) The advocacy group will conclude that the mean amount of juice is 476 mL when in fact it is 476 mL.
B) The advocacy group will conclude that the mean amount of juice is greater than 476 mL when in fact it is 476 mL.
C) The advocacy group will conclude that the mean amount of juice is less than 476 mL when in fact it is 476 mL.
D) The advocacy group will conclude that the mean amount of juice is less than 476 mL when in fact it is less than 476 mL.
E) The advocacy group will conclude that the mean amount of juice is 476 mL when in fact it is less than 476 mL.