How is 0.623 expressed as a percentage?
2 answers:
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Answer:
x=24
Step-by-step explanation:
Hi there!
We are given the following proportion:
And we want to solve for x.
First, let's reduce , as reducing fractions typically makes the process easier
is the same as
So:
We can't do anything to , but that's okay.
Now we can cross multiply, as this is a proportion
Multiply x-9 by 1 and 3 by 5
1(x-9)=3(5)
Multiply
x-9=15
Now this is an equation
Our goal is to isolate x on one side
So let's add 9 to both sides to remove it from the left side
x-9=15
+9 +9
_________
x=24
Hope this helps!
Answer:
0.7755
Step-by-step explanation:
If 120 CDs are defective, the number of non-defective CDs in the batch is:
In order for the batch to be accepted, all of the 4 CDs in the sample must not be defective, the probability of that happening is:
The probability that the entire batch will be accepted is 0.7755.