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nikitadnepr [17]
3 years ago
6

Order of operation? 5p^2 = h when p =2 and h = 8

Mathematics
1 answer:
Naddika [18.5K]3 years ago
5 0

Given: p=2, h=8

5p^2=h

5(2)^2=8 ------- substitution here

5(4)=8

20 doesn't equal 8

I did exponents first because it comes before multiplication in the order of opertions.

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The weights of red delicious apples are approximately normally distributed with a mean of 9 Ounces and a standard deviation of 0
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The mean of W is 55 ounces.

The standard deviation of W is 4.33 ounces.

Step-by-step explanation:

Let X: weight of a red delicious apple, and B: the weight of the box and packing material.

The distribution that will represent W: the total weight of the packaged 5 randomly selected apples will be also normally distributed.

Applying the property of the mean: E(aX)=aE(X), the mean of W will be:

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Applying the property of the variance: V(aX+b)=a^2V(X), the variance of W will be:

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The mean standard deviation of W will be the squared root of V(W):

\sigma_W=\sqrt{V(W)}=\sqrt{18.75}=4.33

The mean of W is 55 ounces.

The standard deviation of W is 4.33 ounces.

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