Can you please answer this showing every step so I can learn how to do this on my own?

The annual per capita consumption of bottled water was 34.1 gallons. Assume that the per capita consumption of bottled water is approximately normally distributed with a mean of 34.1 and a standard deviation of 12 gallons a. What is the probability that someone consumed more than 34 gallons of bottled water? b. What is the probability that someone consumed between 20 and 30 gallons of bottled water? c. What is the probability that someone consumed less than 20 gallons of bottled water? d. 90% of people consumed less than how many gallons of bottled water? a. The probability that someone consumed more than 34 gallons of bottled water is (Round to four decimal places as needed.) b. The probability that someone consumed between 20 and 30 gallons of bottled water is (Round to four decimal places as needed ) c. The probability that someone consumed less than 20 gallons of bottled water is (Round to four decimal places as needed.) d. 90% of people consumed less than gallons of bottled water Round to two decimal places as needed