The spinner below is spun once.
What is the probability that the spinner will land on 5 or 7?
25%
16%
8%
12 ½%
The arrow on the spinner below is spun once.
What is the probability the arrow on the spinner does not stop on a number divisible by 3?
it is 3/4
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To find the probability of an event occurring, we need to determine the number of favorable outcomes and the total number of possible outcomes.
In this case, we have a spinner with several numbers. To find the probability of landing on 5 or 7, we need to determine how many favorable outcomes (landing on 5 or 7) there are, and the total number of possible outcomes (all the numbers on the spinner).
Let's count the favorable outcomes first. There are two numbers on the spinner that are favorable: 5 and 7.
Next, let's count the total number of possible outcomes. From the options you provided, it seems that the spinner has a total of 8 numbers.
Now we can calculate the probability by dividing the number of favorable outcomes by the total number of possible outcomes:
Probability = (Number of Favorable Outcomes) / (Total Number of Possible Outcomes)
In this case, the probability of landing on 5 or 7 is:
Probability = 2 / 8 = 1 / 4 = 0.25 = 25%
Therefore, the correct answer is 25%.
the spinner has 8 numbers
Either-or probabilities are found by adding the individual probabilities.
The chance of any number out of 8 is 1/8.
no idea, since no spinner.
How many numbers are there?
Are their regions all the same size?
in any case, I expect that the probability you want is 2 / #colors