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Vlada [557]
3 years ago
12

For number 3 I don’t rlly get it

Mathematics
1 answer:
choli [55]3 years ago
5 0

Answer:

D

Step-by-step explanation:

         :)

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lorasvet [3.4K]

Answer:

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3 years ago
The average age of all students at a certain college is 22 years and the standard deviation is 2 years. What is the probability
Marianna [84]

Answer:

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Step-by-step explanation:

According to the given data we have the following:

mean = μ= 22

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Therefore, P( x < 21.8)=P(x-μx)/σx<(21.8-22)/0.2

=P(z<-1)

= 0.159

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3 0
3 years ago
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