Teesha is in the French club. There are 26 students in the club. The French teac

Mathematics
Tutor: None Selected Time limit: 1 Day

Teesha is in the French club. There are 26 students in the club. The French teacher will pick 3 students at random to guide visiting students from France. What is the probability that Teesha will not be picked as a guide?

a.23/26

b.29/26

c.3/29

d.3/26

Apr 29th, 2015

In the first pick there is a 25/26 chance Teesha will not be picked

In the second pick there is a 24/25 chance Teesha will not be picked

In the third pick there is a 23/24 chance Teesha will not be picked

The total probability then is

(25/26)(24/25)(23/24) = 23/26

Choice a.

Apr 29th, 2015

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Apr 29th, 2015
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