In Hawaii, January is a favorite month for surfing since 60% of the days have a surf of at least 6 feet. You work day shifts in a Honolulu hospital emergency room. At the beginning of each month you select your days off, and you pick 7 days at random in January to go surfing. Let r be the number of days the surf is at least 6 feet.

(b) What is the probability of getting4or more days when the surf is at least 6 feet? (Round your answer to three decimal places.) (c) What is the probability of getting fewer than2days when the surf is at least 6 feet? (Round your answer to three decimal places.) (d) What is the expected number of days when the surf will be at least 6 feet? (e) What is the standard deviation of ther-probability distribution? (Round your answer to three decimal places.)