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by BlastRoom
Estimate probability from observed relative frequency and compare it with theoretical probability.
#us_grade_7_math
40 questions
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A coin was flipped 80 times and landed heads 46 times. What is the experimental probability of heads?
A spinner was spun 60 times and stopped on red 18 times. What is the experimental probability of red?
A bag of tiles was sampled 50 times with replacement, and green was drawn 31 times. What is the experimental probability of green?
A number cube was rolled 72 times, and an even number appeared 39 times. What is the experimental probability of rolling an even number?
During a basketball drill, Mia made 24 of 40 free throws. What is the experimental probability that Mia makes a free throw?
A marble was drawn and replaced 90 times, and blue appeared 27 times. What is the experimental probability of blue?
A game app recorded 35 wins in 100 plays. What is the experimental probability of winning one play?
A survey simulator chose the bus 48 times in 120 trials. What is the experimental probability that the simulator chooses the bus?
A coin landed tails 57 times in 100 flips. What is the experimental probability of tails?
A spinner landed on yellow 14 times in 40 spins. What is the experimental probability of not yellow?
A soccer player scored on 16 of 25 penalty kicks. What is the experimental probability of missing a penalty kick?
A card was drawn from a shuffled deck and replaced 52 times, and a heart appeared 15 times. What is the experimental probability of a heart?
A weather model predicted rain on 22 of 50 tested days. What is the experimental probability that the model predicted rain?
A quiz bowl team answered 54 of 75 toss-up questions correctly. What is the experimental probability of a correct answer?
A random letter generator produced a vowel 32 times in 80 trials. What is the experimental probability of producing a consonant?
A class pulled a name from a jar 30 times with replacement, and Sam's name appeared 6 times. What is the experimental probability of Sam's name?
A player hit the target 36 times in 60 throws. Based on this rate, about how many hits are expected in 100 throws?
A seed sprouted in 42 of 70 trials. Based on this rate, about how many seeds will sprout out of 200?
A spinner landed on blue 15 times in 50 spins. Based on this rate, about how many blue results are expected in 200 spins?
A goalie blocked 28 of 40 shots. Based on this rate, about how many shots will the goalie block out of 90?
A coin landed heads 52 times in 100 flips. Based on this rate, about how many heads are expected in 250 flips?
A free sample booth gave out stickers to 18 of 30 visitors. Based on this rate, about how many stickers are needed for 150 visitors?
A machine rejected 8 of 80 bottle caps during testing. Based on this rate, about how many caps will be rejected out of 500?
A lunch survey found 27 of 45 students chose tacos. Based on this rate, about how many students in a school of 300 would choose tacos?
A plant survived in 32 of 40 tests. Based on this rate, about how many plants will survive out of 75?
A game spinner landed on prize 12 times in 48 spins. Based on this rate, about how many prize spins are expected in 160 spins?
A baseball player got 21 hits in 60 at-bats. Based on this rate, about how many hits are expected in 200 at-bats?
A quality check found 9 cracked tiles in 120 tiles. Based on this rate, about how many cracked tiles are expected in 800 tiles?
A fair coin landed heads 58 times in 100 flips. How does the experimental probability of heads compare with the theoretical probability?
A fair six-sided number cube rolled a 4 seven times in 60 rolls. How does the experimental probability compare with the theoretical probability of rolling a 4?
A fair spinner has 4 equal colors. It landed on green 18 times in 80 spins. How does the experimental probability compare with theoretical probability?
A fair coin landed tails 45 times in 90 flips. How does the experimental probability of tails compare with the theoretical probability?
A fair number cube rolled an even number 34 times in 72 rolls. How does the experimental probability compare with the theoretical probability of even?
A fair spinner has 5 equal sections, one labeled star. It landed on star 26 times in 100 spins. How does experimental compare with theoretical?
A bag has 3 red and 2 blue marbles. In 50 draws with replacement, red appeared 28 times. How does experimental compare with theoretical?
A fair spinner has 8 equal sections, 2 blue. It landed on blue 28 times in 120 spins. How does experimental compare with theoretical?
A fair number cube rolled a number greater than 4 twenty times in 60 rolls. How does experimental compare with theoretical?
A fair coin landed heads 96 times in 200 flips. How does the experimental probability of heads compare with the theoretical probability?
A fair spinner has 6 equal sections, 3 purple. It landed on purple 45 times in 90 spins. How does experimental compare with theoretical?
A deck has 10 numbered cards, 4 even. In 80 draws with replacement, even appeared 32 times. How does experimental compare with theoretical?
Crack the passcode before the zombies get in.
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40 questions
