In a recent election 58% of people supported reelecting the incumbent. Suppose a poll is done of 1420 people . If we used the normal as an approximation to the binomial, what would the mean and...

In a recent election 58% of people supported reelecting the incumbent. Suppose a poll is done of 1420 people . If we used the normal as an approximation to the binomial, what would the mean and standard deviation be? Mean: 1420 Standard deviation : Give your answers to at least 3 decimal places .