What is the probability of the complement of spinning an even number by using the spinner below
2 answers:
Answer:
Step-by-step explanation:
We first need probability of spinning an even number BUT its complement.
THe complement is basically all outcomes THAT ARE NOT THE EVENT.
So, we find the probability of even number then we subtract that probability from 1. Because:
P(event) + P(complement of event) = 1
Now,
Looking at the spinner, it has total 8 divisions.
The number of even numbers is 3 (2, 4, and 2)
So
P(even) = 3/8
But we need its complement, so we have:
P(even) + P(complement of even) = 1
3/8 + P(complement of even) = 1
P(complement of even) = 1 - 3/8 = 5/8
The answer is
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Two years ago, Sally had 5,000 dogs in her dog shelter. Now she has 24,575 dogs. The rate of change is 391.5 % increase
<em><u>Solution:</u></em>
Given that Two years ago, Sally had 5,000 dogs in her dog shelter
Now she has 24,575 dogs
To find: rate of change
A rate of change is a rate that describes how one quantity changes in relation to another quantity
<h3><u>Steps to follow:</u></h3>- First: work out the difference (increase) between the two numbers you are comparing.
- Increase = New Number - Original Number.
- Then: divide the increase by the original number and multiply the answer by 100.
- % change = Increase ÷ Original Number x 100
Thus the rate of change is 391.5 % increase