Two less than 4 times a number is the same as the number plus 10
1 answer:
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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.
Answer:
The length of the rectangle is 31.
Step-by-step explanation:
We have that the length (L) and width (W) are:
The perimeter of the rectangle is given by:
Now, we can calculate the length of the rectangle:
Therefore, the length of the rectangle is 31 units.
I hope it helps you!