Statistics & Probability - ACT Math
Card 1 of 60
What is the median of a data set?
What is the median of a data set?
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A bag has $5$ red and $3$ blue marbles. If a red marble is drawn and not replaced, what is the probability the next marble is also red?
A bag has $5$ red and $3$ blue marbles. If a red marble is drawn and not replaced, what is the probability the next marble is also red?
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Find the median of: $3, 7, 9, 12$
Find the median of: $3, 7, 9, 12$
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What is the probability of flipping heads on a fair coin?
What is the probability of flipping heads on a fair coin?
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What is the multiplication principle (counting principle)?
What is the multiplication principle (counting principle)?
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A spinner has $8$ equal sections numbered $1$ to $8$. What is the probability of landing on an even number?
A spinner has $8$ equal sections numbered $1$ to $8$. What is the probability of landing on an even number?
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What does it mean for two events to be independent?
What does it mean for two events to be independent?
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Find the mean of: $3, 5, 7, 9, 11$
Find the mean of: $3, 5, 7, 9, 11$
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What is the mode of: $1, 2, 3, 4, 5$?
What is the mode of: $1, 2, 3, 4, 5$?
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In how many ways can $5$ books be arranged on a shelf?
In how many ways can $5$ books be arranged on a shelf?
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A class has test scores: $70, 75, 80, 85, 90$. What is the median?
A class has test scores: $70, 75, 80, 85, 90$. What is the median?
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What is a permutation?
What is a permutation?
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Find the range of: $5, 12, 3, 18, 7$
Find the range of: $5, 12, 3, 18, 7$
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What is expected value?
What is expected value?
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How many different $4$-letter "words" can be formed from the letters in MATH if no letter is repeated?
How many different $4$-letter "words" can be formed from the letters in MATH if no letter is repeated?
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A card is drawn from a standard deck. What is the probability of NOT drawing a heart?
A card is drawn from a standard deck. What is the probability of NOT drawing a heart?
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Data set: $5, 10, 15, 20, 25$. If each value is multiplied by $2$, what happens to the mean?
Data set: $5, 10, 15, 20, 25$. If each value is multiplied by $2$, what happens to the mean?
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What is conditional probability $P(A|B)$?
What is conditional probability $P(A|B)$?
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A jar contains $4$ red, $6$ green, and $10$ yellow marbles. What is the probability of selecting a green marble?
A jar contains $4$ red, $6$ green, and $10$ yellow marbles. What is the probability of selecting a green marble?
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What is the mean (average) of a data set?
What is the mean (average) of a data set?
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