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Kipish [7]
3 years ago
10

What is the probability of the complement of spinning an even number by using the spinner below

Mathematics
2 answers:
jek_recluse [69]3 years ago
8 0

Answer:

5/8

Step-by-step explanation:

VMariaS [17]3 years ago
4 0

Answer:

\frac{5}{8}

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  \frac{5}{8}

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The probability of selecting a multiple of 5 is:

P = 0.202

<h3 /><h3>How to get the probability?</h3>

The probability will be equal to the quotient between the number of multiples of 5 on the given interval and the total number of numbers on the interval.

Here the interval is [10, 99]

So we have 99 - 10 = 89 numbers there, and the multiples of 5 are:

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So we have 18 multiples of 5, then the 0.202is:

P = 18/89 = 0.202

Learn more about probability:

brainly.com/question/25870256

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