Astudent has a bag of marbles. there are 75 blue marbles, 50 green marbles, 100 orange marbles, and 25 red marbles. they select a marble, record its color and return it to the bag. they do this 3 times. what is the probability of them selecting a red marble, then a green marble, and then a blue or orange marble?

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

X2 + y 2 = 36 x + y = 6 solve the system of equations.