A bag held 4 black marbles, 2 red marbles, and 6 white marbles. I drew a black marble and did not replace it. What is the probability of drawing a black marble next?

To determine her mood, Carrie divides up her day into three parts: morning, afternoon, and evening. She then measures her mood at 2 randomly selected times during each part of the day. What type of sampling is used? A. Simple random sampling B.

Write an expressions using x = - 2, y = - 3, and z = 4 and at least three of the four operations (+, -, x, : ) for which the value of the expression is 10.

Alton shoveled snow on 4/6 of his driveway before lunch then he shoveled 2/6 of it after lunch how much more of his driveway did Alton shovel before lunch in after lunch?

Keisha bought 3 loaves of corn bread to football party. 5/12 of each loaf was eaten. If Keisha gave 1 whole loaf of the leftover bread of the party hosts, what part of a loaf did she have left to take home?

Is the given answer a reasonable solution to the problem

Each year, a daylily farm sells a portion of their daylilies and allows a portion to grow and divide. The recursive formula an = 1.5 (2n-1) - 100 represents the number of daylilies, a, on the farm after n years.

A population has a mean of 40 and a standard deviation of 15. a sample of size 100 is taken at random from this population. the standard deviation of the sampling distribution of sample mean equals:

Randy ran a mile in 6.2 minutes. Leslie ran a mile in 6.35 minutes. How many seconds longer did it take Leslie to run the mile than it took Randy?

Which expression shows that 11 + 7 = 5 + 13?

When Wyatt commutes to work, the amount of time it takes him to arrive is normally distributed with a mean of 45 minutes and a standard deviation of 3 minutes.