5+4+2 (-3)+7+(-5) equals to?
2 answers:
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Step-by-step explanation:
Given
A proportional relation is given between minutes spend in reading and no of pages
Suppose we choose the point , It shows that 2 minutes is taken to read three pages.
Similarly, for point , It shows four minutes is taken to read 6 pages.
In this way, 6 minutes is taken for 12 pages.
Answer:
D.) The expected value is 1.78
Step-by-step explanation:
The expected value of a probability distribution is evaluated using the formula.
Expected Value,
Therefore, from the given probability distribution, we have:
E(X)=(0*0.3)+(1*0.2)+(2*0.16)+(3*0.2)+(4*0.04)+(5*0.1)
E(X)=1.78
The Expected value of X is 1.78.
The correct option is D.