At оne schооl, the аverаge аmount of time tenth-graders spend watching television each week is 21.6 hours. The principal introduces a campaign to encourage the students to watch less television. One year later, the principal performs a hypothesis test to determine whether the average amount of time spent watching television per week has decreased. The hypotheses are: H0: μ = 21.6 hours Ha: μ < 21.6 hoursExplain the meaning of a Type I error.