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sergiy2304 [10]
3 years ago
14

A bandleader randomly select's 2 students out of 100 band members. if you and your brother are both bandmembers what is the prob

ability that you are both selected?
Geography
2 answers:
sladkih [1.3K]3 years ago
8 0
Probability of an event happening=(numbers of ways it can happen) / (total numbers of outcomes)

P=probability that we are both selected
P₁=probability that I am selected and my brother is selected after.
P₂=probability that my brother is selected and I am selected afer.

P=P₁+P₂

P₁=(1/100)*(1/99)=1/9900
P₂=(1/100)*(1/99)=1/9900

P=1/9900 + 1/9900=2/9900≈0,0002≈0.02%

solution: P=2/9900≈0.02%
 
Sidana [21]3 years ago
7 0

Answer:

Explanation:

wrong

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