Probability and Statistics

1). (2 points) Three numbers average 17. Two of the numbers are 14 and 21. What is the third number?




Answer:_______

TEAM NO ____ TEAM MEMBERS:

___________________

___________________

___________________

___________________

2). (1 point) What is the probability of drawing a spade (any spade) out of a deck of 52 cards?



Answer:________

3). (2 points) What is the probability of drawing 2 spades out of a deck of 52 cards?
(Note: This is drawing the second card without replacing the first card.




Answer:________

4). (2 points) In a bag containing 8 red marbles, 6 blue marbles and 4 green marbles, what is the probability of drawing 2 green marbles?



Answer:________

5). (2 points) What is the probability of flipping a coin and having it come up "heads" 5 times in a row?



Answer:________