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Airida [17]
3 years ago
6

There is 0.3 probability that a group of insured motorists have an accident in a decade.

Mathematics
1 answer:
Margaret [11]3 years ago
4 0

Answer:

192

Step-by-step explanation:

to find the mean you have to use this formula: mean= N(total number of trials) times P( probability of "success")

n=640

p=0.3

640x0.3= 192

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