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2 years ago

15

Students reported volunteering at the animal shelter during the last 6 months for 25, 36, 31, and 32 hours. What is the mean abs

olute deviation for the number of hours students volunteered

1 answer:

Dima020 [189]2 years ago

5 0

31 is the answer because if you add all the numbers and then divide by the number of

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Suppose that commercial airplane crashes in a certain country occur at the rate of 2.5 per year. what is the probability that fo

lesya [120]

The poisson distribution applies here.
$\lambda=2.5$
$P(X=4)=\frac{e^{-2.5}\times2.5^{4}}{4!}=0.134$

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3 years ago

How do u slove this and whats the answer. 2b + 9x + (2 + 5)

e-lub [12.9K]

2b + 9x +(2 + 5).

2b + 9x + 7=2b + 9x + 7

4 0

3 years ago

Look at screenshot please help

Novosadov [1.4K]

Number 5 is the answer

5 0

3 years ago

How do I solve this problem

ziro4ka [17]

You have 3*6=18ft of straight line. then you have the circumference of a circle with a radius of 3 which is 9p

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3 0

3 years ago

X to the -12 power=117 in logarithmic form?

mamaluj [8]

Answer:

$\log x =\frac{\log 117}{-12}$ this should be what youre asking

Step-by-step explanation:

this is it

$x^{-12} =117\\ \log x^{-12} =\log 117\\ -12\log x=\log 117\\\log x =\frac{\log 117}{-12}$
if you want the answer
$\log x =\frac{\log 117}{-12}\\x =10^{\frac{\log 117}{-12}}\\x=0.6724363439$

6 0

3 years ago