How is humans are impacting air pollution environmental?

Ответ:

10040813

25.06.2021

Humans are impacting by following reasons:
#carbon dioxide and other harmful gases emissions from industries
#use of petrol vehicles
#no proper disposal of waste

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Ответ:

coreen9

27.06.2020

Biology

Third option is correct.

Step-by-step explanation:

Since we have given that

Mean $(\mu)=15$

Standard deviation $\sigma=4$

Mean (X) = 25

We need to find the "Number of standard deviations (Z) from the mean (X) ":

As we know that in Normal distribution:

$Z=\frac{X-\mu}{\sigma}\\\\Z=\frac{25-15}{4}\\\\Z=\frac{10}{4}\\\\Z=2.5$

Hence, Third option is correct.

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