1.6 notes - P(February = Theoretical Probability When you...

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1.6 Notes: Probability Warm-up Write each number as a percent. 1) 8 3 2) 0.0043 3) 1 6 5 Objective: - to find experimental probabilities - to find theoretical probabilities Experimental Probability The experimental probability of event = P(event) = number of times the event occurs / number of trials 1) A baseball player got a hit 21 times in 60 at-bats. Find the experimental probability of his getting a hit. P(hit) = ? 2) A basketball player has made 32 free throws in 50 tries. What is the experimental probability of her making a free throw? P(free throw) = ? Using a Simulation Everyone go up to the board and write out the month you were born. What’s the experimental probability of someone in this class being born in February?
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Unformatted text preview: P(February) = ? Theoretical Probability When you roll a dice (or a number cube) the possible outcomes are 1,2,3,4,5, and 6. We call all possible outcomes the sample space . Theoretical probability is calculated as a ratio of outcomes. Theoretical probability of x = x / sample space 1) What is the theoretical probability of rolling an even number on a number cube? P(even) = ? 2) Find the theoretical probability of getting a prime number when you roll a number cube. P(prime) = ? 3) A jar contains 20 red marbles, 30 blue marbles, and 50 green marbles. What is the theoretical probability of each: P(red) = P(blue) = P(green) =...
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