Johnny is picking marbles out of a bag. The results are recorded below. Red 24
Blue 16
Yellow 10
Green 22
Black 8
What is the experimental probability of picking a blue marble?
A. 20%
B. 80%
C. 16%
D. 2%

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

Find the arc length of the semicircle. 7the grade