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3 years ago

11

How do I set up an equation

2 answers:

tiny-mole [99]3 years ago

6 0

the equation here would be set up by doing

44.4 - 10.9 = 33.5

Carlsbad caverns is 33.5 kilometers long.

Vsevolod [243]3 years ago

6 0

44.4 -10.9 =0 This is the equation

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oksian1 [2.3K]

Answer: 0.8186

Step-by-step explanation:

Given: Mean : $\mu=1.01\text{ inch}$

Standard deviation : $\sigma=0.003\text{ inch}$

Sample size : $n=9$

The formula to calculate z-score :-

$z=\dfrac{X-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

For x=1.009 inch

$z=\dfrac{1.009-1.01}{\dfrac{0.003}{\sqrt{9}}}=-1$

For x=1.012 inch

$z=\dfrac{1.012-1.01}{\dfrac{0.003}{\sqrt{9}}}=2$

Now, The p-value = $P(-1$

Hence, the required probability = 0.8186

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