Question 1
a survey found that 3 out of 100 randomly selected people have red hair. on the basis of this survey, how many people in a group of 12,000 people are likely to have red hair?
a. 3
b. 360
c. 4000
d. 36

question 2
a large bin of mixed nuts contains peanuts, cashews, almonds, and walnuts. luke scoops out a bowl full of nuts and counts how many of each type he has: 18 peanuts, 8 cashews, 10 almonds, and 9 walnuts. armando scoops out a bowl of 30 nuts. about how many should he expect to be peanuts?
a. 6
b. 9
c. 4
d. 12

question 3
a jar contains jelly beans that are red, yellow, blue, and purple. several people reach in and grab handfuls of jelly beans, then collectively tally the number of each color: 15 red, 20 yellow, 12 blue, and 8 purple. if someone pulls out 22 jelly beans, about how many would you expect to be yellow?
a. 8
b. 4
c. 13
d. 20

question 5
a random sample of voters is polled and 62 plan to vote for candidate a, 31 plan to vote for candidate b, and 21 are undecided. what inference can be made from this random sample?
a. candidate a will most likely win the election.
b. candidate b will most likely win the election.
c. there is not enough information to make an inference.
d. candidate a and candidate b will have the same amount of votes.