Answer:
use the pythagoras theorem
Step-by-step explanation:

A discrete variable is a variable which may take only certain discrete values; for example the number of people in a household is a discrete variable which may have the value 1, 2, 3, etc. but cannot have intermediate values such as 1.473 or 3.732.
Choice d) can be represented by a discrete probability distribution, the other choices cannot be so represented.
I'm not sure but I think it's 5
Yes it is because 1/4 + 1/4 =2/4 and 2/4 equals 1/2
The answer is 7,500 because 150% is the same as 1.5 x 5000.