Identify the indicated type of error
a) Carter Motor Company claims that its new sedan, the Libra, will average better than 20 miles per gallon in the city. Identify the type I error for the test and state the possible error by addressing the claim.
b) A skeptical paranormal researcher claims that the propotion of Americans that have seen a UFO, p, is less than 1 in every one thousand. Identify the type II (2) error for the test and state the possible error by addressing the claim.