A number cube was rolled as part of an experiment. The results are shown in the table. Explain how to find the
experimental probability of rolling a 6.
Number
1
2
3
4
5
6
Frequency
13
11
9
8
10
9

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

Which statement justifies why angle ebc measures 90?

Find the value of x. give reasons to justify your solutions! c ∈ ae