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- Apr 3rd 2009, 08:14 PM #1

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- Mar 2009
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- 34

## posibilitys

For year 8 students, 20% have a shoe size greater than 10.5, but 95% have a shoe size less than 11.5. What is the chance of a year 8 student having a shoe size:

a. less than or equal to 10.5

b.11.5 or greater

c.between 10.5 and 11.5

i really dont know how to find the chances, please can someone explain to me how to do it??

- Apr 3rd 2009, 09:17 PM #2

- Apr 4th 2009, 01:17 AM #3

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- Mar 2009
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- 34

- Apr 4th 2009, 03:22 AM #4