So first of all you need to find what plus 2 equals for which would be x . Then what plus 2 equals -1 . Then just graph your answers . Thats how i usually do it
Answer:
1.4
Step-by-step explanation:
Given the probability distribution :
X _____ 0 ____1 ____ 2 ____ 3 ____4
P(x) _ 0.16 _ 0.41 _ 0.32 __ 0.09 __ 0.02
Expected number of people waiting in line :
E(X) = Σ(x * p(x))
E(X) = (0*0.16) + (1*0.41) + (2*0.32) + (3*0.09) + (4*0.02)
E(X) = 1.4
Answer:
5/8
Step-by-step explanation:
Find the common ratio by dividing one of the numbers in the sequence by the previous one:
480/768
= 0.625
Convert this to a fraction:
0.625
= 5/8
So, the common ratio is 5/8
Answer:
The last option.
Step-by-step explanation:
8 dollars per T-shirt (8x) and you take away 185 dollars from initial amount bc u spent money for it. Total profit is thus 8x - 185
