Simple Probability
If you roll a fair six-sided die, what is the probability of rolling a 4?
What is 1/6?
In an experiment, a coin is tossed 50 times, landing on heads 30 times. What is the experimental probability of heads?
What is 3/5 or 0.6?
Based on past data, a basketball player makes 9 out of every 10 free throws. How many will he make out of 20?
What is 18?
Solve for x: 2x + 3 < 11
What is x < 4?
Graph the solution to x < 3 on a number line.
What is an open circle on 3 with shading to the left?
What is the probability of picking a red marble from a bag with 3 red and 7 blue marbles?
What is 3/10?
If you roll a die 60 times and get a 5 fifteen times, what is the experimental probability of rolling a 5?
What is 1/4 or 0.25?
If 50 students participate in a raffle and 20 win a prize, what percentage of students should you expect to win a prize next time?
What is 40%?
Solve for x: 3x - 5 > 7
What is x > 4?
Graph the solution for x ≥ 5 on a number line.
What is a closed circle on 5 with shading to the right?
If you choose a card at random from a deck, what is the probability it is a heart?
What is 1/4?
During an experiment, a spinner lands on green 25 out of 100 times. What is the experimental probability of landing on green?
What is 1/4 or 0.25?
If a coin flips on heads 5 times in 10 flips, predict how many heads in 30 more flips.
What is 15?
Solve for x: -4x + 10 ≤ 30
x≥-5
Graph the solution x ≤ -2 on a number line.
What is a closed circle on -2 with shading to the left?
A spinner has 4 equal sections numbered 1 to 4. What is the probability of spinning an even number?
What is 1/2?
In a survey, 40 out of 100 students prefer soccer over basketball. What is the experimental probability of a student preferring soccer?
What is 0.4 or 2/5?
In an experiment, a coin lands on tails 8 times in 20 trials. Predict the number of tails in 50 additional trials.
What is 20?
Solve for x: -2x-3 ≤ -5
What is x ≥ 1
Graph the inequality x > 0 on a number line.
What is an open circle on 0 with shading to the right?
What is the probability of drawing a queen from a standard deck of playing cards?
What is 1/13?
After rolling a die 120 times, you get an odd number 70 times. What is the experimental probability of rolling an odd number?
What is 7/12?
During a school event, 12 out of 15 students chose pizza over salad. Predict how many out of 60 students will choose pizza.
What is 48?
Solve for x: 30 ≥ -30-6x
What is x ≥ -10 or -10 ≤ x
Graph x ≤ 7 on a number line.
What is a closed circle on 7 with shading to the left?