the lengths of pregnancies are normally destributed with a mean of 269 days and a standard deviation of 15 days. a. find the probability of a pregnancy l;asting 308 days or longer. b. if the length of pregnancy is in the lowest 2% then baby is premature. find the length that separates premature babies from those who are not premature. g

Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."

Can someone me and plz do the problem

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?