Arandom sample of 500 registered voters in phoenix is asked if they favor the use of oxygenated fuels year-round to reduce air pollution. if more than 314 voters respond positively, we will conclude that at least 60% of the voters favor the use of these fuels. round your answers to four decimal places (e. g. 98.7654).

a) find the probability of type i error if exactly 60% of the voters favor the use of these fuelsb) what is the type ii error probability (beta) β if 75% of the voters favor this action?