No, only the value of what you are finding the absolute value of can be a negative. Examples: |-2|=2 |2|=2
Answer:
Expectation number of books a customer will purchase = 1.3
Step-by-step explanation:
x : 0 1 2
p(x) :0.2, 0.3, and 0.5
Expectation
E(X) = ∑x P(x)
= 0 X 0.2 +1 X 0.3+ 2 X 0.5
= 1.3
Expectation E(X) = 1.3
Expectation number of books a customer will purchase = 1.3
s= 18
and,
t= 48
These values makes it correct.
Answer:
81/2=40.5
Step-by-step explanation:
Answer:
Step-by-step explanation:
cos(270°) = 0
sin(270°) = -1
tan(270°) = does not exist
cos(0°) = 1
sin(0°) = 0
tan(0°) = 0
Have a good day
