An investor purchased 100 shares of 5/3 Bank stock and 100 shares of Santee Cooper Electric stock. The probabi

An investor purchased 100 shares of 5/3 Bank stock and 100 shares of Santee Cooper Electric stock. The probability the bank stock will appreciate over a year is .70. The probability the electric utility will increase over the same period is .60. A)What is the probability the bank stock appreciates but the utility does not? B)What is the probability at least one of the stocks appreciates?