Arock concert promoter has scheduled an outdoor concert on july 4th. if it does not rain, the promoter will make $30,000. if it does rain, the promoter will lose $15,000 in guarantees made to the band and other expenses. the probability of rain on the 4th is .4.

(a) what is the promoter's expected profit? is the expected profit a reasonable decision criterion? (round your answers to 1 decimal place. omit the "$" sign in your response.)

(b) how much should an insurance company charge to insure the promoter's full losses?