Atray of cake samples contains a variety of flavors.

chocolate
33

vanilla
9

strawberry
3

what is the probability that a randomly selected piece of cake will be vanilla?

simplify your answer and write it as a fraction or whole number.

p( vanilla)

For the equation below, x is the input and y is the output. y = -4x + 3 if the input is -8, then the output is

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

What signals you that factoring by grouping is the best method to use when factoring a problem?