Find the mean: 2, 2, 4, 6, 7, 9, 10, 11, 15

Find the quartiles: 2, 2, 4, 6, 7, 9, 10, 11, 15

In a bag of marbles, there are 3 red marbles, 5 blue marbles, and 1 yellow marble. What is the probability of choosing a blue marble?

Does choosing 3 sandwich toppings out of 7 options involve a combination or permutation?

How many different ways can you choose 3 sandwich toppings out of 7 options?

Let X = number of die rolls it takes to roll a 4. Is X a binomial variable?

Let X = number of die rolls it takes to roll a 4. Is X a geometric variable?

A set of data with a mean of 17 and standard deviation of 5 is normally distributed. What two values do 99.7% of the data lie between?

A set of data with a mean of 17 and standard deviation of 5 is normally distributed. Find the z-score for 30.

A set of data with a mean of 17 and standard deviation of 5 is normally distributed. Find the z-score for 11.

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