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1 vote
A spinner with 9 equal sections is numbered 1 through 9. The probability of spinning a 3 is

What is the probability of not
spinning a 3?
Enter your answer as a fraction, in simplest form, in the box.

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User Chante
by
4.9k points

2 Answers

1 vote

Answer:

1/9, 8/9

Explanation:

probability of a desired outcome =

= (number of desired outcomes)/(total number of outcomes)

The total number of outcomes is 9.

(a) The probability of spinning a 3

There is only 1 desired outcome, a 3.

p(3) = 1/9

(b) What is the probability of not spinning a 3?

The probability of spinning a 1, 2, 4, 5, 6, 7, 8, or 9.

There are 8 desired outcomes.

p(not 3) = 8/9

User Alexanderkuk
by
4.8k points
3 votes

Answer:

Explanation:

Numbers 1 thru 9... probability of spinning a 3 is 1/9 and the probability of not spinning a 3 is 8/9

User ChrisArmstrong
by
5.2k points
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