Soo What do yall Want for Christmas

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.

You draw a card at random from a deck that contains 33 black cards and 77 red cards.