Q$1$: A $2$ Mbps bit stream is to be transmitted via QPSK$.$ Channel S$,($t$)$ is used to transmit Even bits and Channel S$,($t$)$ is used to transmit odd bits. $1)$ What is the symbol rate? $2)$ What is the minimum required channel bandwidth? $3)$ What is the symbol error probability if the carrier is $8$mw and N$.10$ W$/$HZ$?4)$ What is the symbol error rate?