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Question: 7 what is the probability that the result is a...

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7. What is the probability that the result is a prime number?

1/12

5/12

50%

66 2/3%

8. What is the probability that the number is less than 13? _____________

9. What is the probability that the number is a multiple of 5?

5/12

1/6

0

1/12


  

10. The members of the Math Club are designing dartboards. They experimented with different shapes. For which dartboard is the probability of hitting the bull's-eye the least? Note that the dartboards are not drawn to scale.

A shaded circle with radius 1 and one half inside a square with side length 12.

A shaded square with side length 3 inside a circle with radius 12.

A shaded right triangle with hypotenuse 5 and leg 3 inside an equilateral triangle with side length 12.

A shaded right triangle with hypotenuse 13 and leg 8 inside a circle with radius 12.

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