Simple Events Probability

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What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Tags

CCSS.7.SP.C.5

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What is the formula for calculating the probability of a simple event?

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The probability of a simple event is calculated using the formula: P(E) = Number of favorable outcomes / Total number of possible outcomes.

Tags

CCSS.7.SP.C.7A

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What is an example of a simple event?

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An example of a simple event is flipping a coin and getting heads.

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What is the probability of rolling a 3 on a standard six-sided die?

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The probability is 1/6, since there is one favorable outcome (rolling a 3) out of six possible outcomes.

Tags

CCSS.7.SP.C.7A

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How do you express probability as a percentage?

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To express probability as a percentage, multiply the probability (a fraction) by 100.

Tags

CCSS.7.SP.C.5

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What is experimental probability?

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Experimental probability is the probability determined by conducting an experiment and observing the outcomes, calculated as the number of times an event occurs divided by the total number of trials.

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What is the difference between theoretical probability and experimental probability?

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Theoretical probability is based on the expected outcomes in a perfect scenario, while experimental probability is based on actual results from experiments.

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If a spinner has 4 equal sections colored red, blue, green, and yellow, what is the probability of landing on yellow?

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The probability is 1/4, since there is one favorable outcome (yellow) out of four possible outcomes.

Tags

CCSS.7.SP.C.7A

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In a class of 30 students, if there are 18 girls and 12 boys, what is the probability of randomly selecting a girl?

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The probability is 18/30 or 3/5.

Tags

CCSS.7.SP.C.7B

Front

What is the probability of drawing a heart from a standard deck of cards?

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The probability is 1/4, since there are 13 hearts in a deck of 52 cards.

Tags

CCSS.7.SP.C.7B