Answer:
<h3>d = 8.6</h3><h3>d = √74</h3>
Step-by-step explanation:

Answer:
A the sybol is facing the wrong way so it means greater than or equal not less than or equal to
B the gross value is accuratly represented and the symbol is facing the correct way
I think
A real number that cannot be expressed as a ratio of integers.
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%