martinonyango307

PROBLEM 24: A box contains 6 quarters and 4 dimes. Three of the coins are randomly selected. What is the probability that both dimes and quarters are selected? A) 1/5 B) 59/60 C) 5/6 D) 4/5 E) none of the above

PROBLEM 20: A school Science Fair team will consist of two male students, two female students, and one "alternate". The alternate can be of either sex. There are four males (including Ted) and five females (including Vanessa) trying out for the team. A Team Roster is a list of the five students chosen, without mention of which one of the five will be the alternate. If the five students are chosen randomly from among the nine trying out, find the probability that the Team Roster contains both Ted and Vanessa. A) 8/25 B) 2/25 C) 2/9 D) 3/10 E) none of the above

PROBLEM 04: The supreme court of Leavusalonia consists of 7 Judges, 5 of which are female and 2 of which are male. Three of the judges are randomly selected to play on a beach volleyball team. What is the probability that exactly two of the selected judges are female? A) 2/7 B) 1/7 C) 4/7 D) 10/21 E) 2/3 N) none of the above

3. Let X-N(100,15). a. Aind the probability that a randomly selected person has an IQ over 120.