Pickin'
A card is picked at random from the following set.
6 7 8 9
What is P(9)? Express your answer as a percentage.
25%
P(rolling a 3 or 5)
1/3
Jay is tossing a fair coin. He tosses the coin 10 times and it lands on heads 7 times. If Jay tosses the coin an eleventh time, what is the probability that it will land on heads?
1/2 or 50%
What is the probability of rolling a number larger than 4? Give answer as a %.
33.33%
A chance event with a probability 1 is certain to happen.
True
There are 15 girls and 10 boys in a youth golf club. One of them is chosen at random.
What is the probability that a boy is chosen as a %.
60%
Imagine rolling two dice at once. You are hoping for a pair of sixes. What is the probability that you roll a pair of sixes?
1/36
There are 16 females and 20 males in a class.
What is the theoretical probability that a randomly chosen student is female.
4/9
The probability that Scott will win his next tennis match is 3/5. What is the probability that he will not win? Express your answer as a percent.
40%
A die is rolled. What is the P(A Prime Number)?
1/2
Each letter of the following word (BASKETBALL) is written on a different card and the cards are placed in a bag. One card is randomly selected from the bag.
B A S K E T B A L L
What is the probability that the card shows the letter B as a %?
20%
If you roll a six-sided die 750 times, how many times would you expect to roll a 1 or 2?
250
Janashia is the star of her basketball team. Her foul shots are successful 75% of the time. What is the probability that her next foul shot will be successful?
3/4
What is the probability of selecting the letter O from
SOUTH DOYLE MIDDLE SCHOOL?
I need the answer as a %.
19%
Nancy’s Bagel Shop recorded how many bagels it recently sold of each type.
Plain, Raisin, Sesame Seed, Pumpernickel, Wheat
3 1 5 2 4
Considering this data, how many of the next 20 bagels sold should be plain bagels?
4
There are 3 choices of Jelly Bean flavors in the bowl: cherry, apple, and watermelon. If the probability of getting cherry is 3/10 and the probability of getting apple is 2/5, what is the probability of getting watermelon?
3/10
What is the probability of choosing an 8 or 9 out of a standard deck of cards?
2/13
On a spinner numbered 1 thru 8, what is the probability of spinning an even number?
1/2
What is the probability, as a percent, of picking a GREEN Sour Patch Kid from a bag that has 7 RED, 8 BLUE, 5 YELLOW, and 9 GREEN?
31%
If the probability of an event happening is 0.45. Which of the following does not describe the probability of its’ complementary event happening?
45%, 55%, 11/20, .55
45%
There are 16 females and 20 males in a class.
What is the theoretical probability that a randomly chosen student is male.
5/9
What is the P(rolling a pair of dice and getting a total higher than 30)?
1/6
A bag of marbles contains 3 blue, 1 black, and 4 yellow marbles. If two marbles are chosen at random without replacement, what is the probability that both marbles will be yellow?
3/14
Imagine tossing 4 quarters up in the air at once. What is the probability that all 4 quarters will land facing heads up? What is the answer as a percent?
1/2 x 1/2 x 1/2 x 1/2 = 1/16 6.25%
Nancy pulled a number of colored balls from a bag and recorded the results.
Blue Black Red Green
6 3 2 7
Based on experimental probability, how many of the next 36 balls selected should be green?
14