The weights of newborn for hippopotami is approximately​ Normal, with a mean of 84 pounds and a standard deviation of 12 pounds. a. What is the probability that a newborn hippo weighs between 92 and 109 ​pounds?
b. Suppose baby hippos that weigh at the 5th percentile or less at birth are unlikely to survive. What weight corresponds with the 5th percentile for newborn​ hippos?
c. In​ 2017, a hippo was born at a particular​ zoo, 6 weeks​ premature, and weighed only 28 pounds at birth. What percentage of baby hippos are born weighing 28 pounds or​ less?

34 cup. a serving of vegetable soup is 23 cup. the restaurant sold 20 servings of chicken noodle soup and 18 servings of vegetable soup. how many more cups of chicken noodle soup did they sell than cups of vegetable soup?

Which pair of numbers is relatively prime? a. 105 and 128 b. 130 and 273 c. 205 and 350 d. 273 and 333

An oil exploration company currently has two active projects, one in asia and the other in europe. let a be the event that the asian project is successful and b be the event that the european project is successful. suppose that a and b are independent events with p(a) = 0.2 and p(b) = 0.8. (a) if the asian project is not successful, what is the probability that the european project is also not successful? (b) what is the probability that at least one of the two projects will be successful? (c) given that at least one of the two projects is successful, what is the probability that only the asian project is successful? (round your answer to three decimal places.)