Help to solve the equation
1 answer:
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Answer:
a) 4
b)
Step-by-step explanation:
<u>PART A</u>
Simplify the expression by solving out the square roots.
=
You can cancel out the on the top and bottom.
So, a should be 4.
<u>PART B</u>
Solve out the square root. The square root is pretty much the 1/2 power, so you can divide the exponents by half.
=
You can subtract exponents to divide them. So the y variable becomes , or
.
Then, the overall expression is , or you can turn that into
.
Answer:
Step-by-step explanation:
Given
Represent the size with n and the probability with p
Required
Determine the expected value; E(x)
<em>Hence, the expected value is 7.86</em>