Sample math WASL questions
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Math
Practice Problems for High School in Probability/Statistics HSP-20)
Answer: ¼
or 25% A
4 feet by 4 feet dartboard has a 2 foot square target.
What is the probability that a random throw that hits the dartboard will hit the target?
Explain your
answer in detail.
HSP-19)
Answer: 1 A
bag contains 50 red and 50 yellow balls. There are three boxes on a shelf. One
is labeled RED; one is labeled YELLOW; and one is labeled MIXED. Two balls at a
time are taken from the bag. If both are yellow, they are placed in the YELLOW
box; if both are red, they are placed in the RED box. If one of each is picked,
both go into the box marked MIXED. What is the probability that the box marked
RED and the box marked YELLOW will have the same number of balls after all pairs
of balls have been drawn from the bag? Explain
your answer in detail. HSP-18)
Answer: 6 out of 1,000 In
order to win a prize in the state lottery, a person must select the correct
three-digit number. Jane chose 345. What is the probability that she will win?
Someone told her to "box" the number to have a better chance of
winning. ("Box" the number means the digits can occur in any order,
such as 354,534,453, etc.) What would be the probability of Jane winning if she
did "box" her numbers? Explain
your answer in detail. HSP-17)
Answer:
4-slacks, 12-blouses, 24 scarves A
new airline is beginning flights next week. in the preliminary instructions, all
flight attendants are told that they must wear a different outfit every day.
Maria is one of the new flight attendants. She has three times as many blouses
as pairs of slacks, and twice as many colorful scarves as blouses. How many
blouses, scarves, and pairs of slacks must Maria own in order to be able to wear
a different outfit every day for at least three years?
Explain your
answer in detail. HSP-16)
Answer: 1) .64; 2) .04; 3) .32 Joe,
a professional basketball player, is an 80 percent foul shooter. He is fouled at
the final buzzer, and goes to the foul line for two shots. His team is trailing
by one point. What is the probability that Joe's team will: 1) Win in regulation
time? 2) Lose in regulation time? 3) Go into overtime?
Explain your
answer in detail. HSP-15)
Answer: 2/3(you increase your odds by putting a red in one box and the remaining
blocks in the 2nd box. ½+1/6=2/3) On
a local TV quiz show, Mr. and Mrs. Halpem are given two red blocks and two blue
blocks that they must distribute into two boxes any way they wish. Mrs. Halpem
will then be blindfolded and asked to pick one block at random from one of the
boxes. If she picks a red block, the Halpems will win $1,000. How should the
Halpems distribute the blocks to give Mrs. Halpem the maximum probability of
drawing a red block? Explain
your answer in detail. HSP-14)
Answer: 3 HSP-13)
Answer: 21 HSP-12)
Answer: 5 HSP-11)
Answer: 29
HSP-10)
Answer: 45 HSP-9)
Answer: 15
HSP-8)
Answer: 19 HSP-7)
Answer: 10 HSP-6)
Answer: 555 HSP-5)
Answer: 80 HSP-4)
Answer:
27
HSP-3)
Answer: 108 HSP-2)
Answer:
49
HSP-1)
Answer: 9
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