What is percentage of values available between first and third quartile of this data set (8, 7, 3, 8, 14, 15, 20)?

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

For each proportion find the unknown number x 1/5/8=×/15

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)