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3 years ago

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18 bikes, 9 have gears (G), 11 have suspension (S) and 5 with both,What is the probability that a bike with suspension or gears?

Make a two-way table to help you!

1 answer:

vichka [17]3 years ago

4 0

Answer:

5/9

Step-by-step explanation:

Total number of bikes = 18
Bikes with gears S = 9
Bikes with suspension S = 11
Bikes with both GS = 5

<u>From the information above we have:</u>

Bikes with gears only = 9 - 5 = 4
Bikes with suspension only = 11 - 5 = 6

<u>Sum of the above two gives us the number of bikes with suspension or gears:</u>

4 + 6 = 10

<u>Probability of selected bike be G or S is:</u>

P(G or S) = 10/18 = 5/9

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