The probability that all marbles are yellow is
(7/20) (7/20) (7/20) = 343/8000
We are given
x = 2 and 3
u = 2.5
s = 0.5
Getting the z score
z = (2 - 2.5) / 0.5 and (3 - 2.5)/ 0.5
z = -1 and 1
The percentage is
1 - 0.1557 = 81.5%
I think 10.2 when I use calculater
For a cube,

The volume is the cube of the side length.


To raise a product to an exponent, raise each factor to the exponent.

To raise a power to a power, multiply powers.
Answer:
are not equivalent
Step-by-step explanation:
20 isnt in the 3 times table so there is no way to simplify the franction into the other
simpilest form of 10/20 is 2/4
Answer:
it is not safe
Step-by-step explanation: