The expected number of female children in a family with three children is 1.5.
The correct option is B.
We have to determine
What is the expected number of female children in a family with three children?
<h3>Probability;</h3>
Probability is defined as the sum of all observations and the number of observations.
The expected value of female children= Probability of female children x Total number of children.
A child can be male or female, so there are 2 combinations, the favorable outcome is female.
The probability of female children = 1/2.
Therefore,
The expected number of female children in a family with three children is;
Hence, The expected number of female children in a family with three children is 1.5.
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brainly.com/question/743546
Standard form, move the variables to the left-hand-side, leave the constant on the right-hand-side, usually the "x" comes first,
Answer:
Three answers B and D, A and C, F and E
I'm not very sure how to explain this.
Answer:(√x+√2)²=x+√x*2+2
(√x-2*√2)*(√x+2*√2)=x-8
Step-by-step explanation:
<h2>(√x+√2)²= √x²+2*√x*√2+√2²²=x+√x*2+2</h2><h2 /><h2>(√x-2*√2)*(√x+2*√2)=(√x)²-(2√2)²=x-8</h2>
Answer:
x<15/4
Step-by-step explanation:
4x-3<12
4x<12+3
4x<15
x<15/4