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Luba_88 [7]
2 years ago
6

Pls help urgently extra points and mark brainlist

Mathematics
1 answer:
irina [24]2 years ago
7 0
Here’s the answer if you still need it -11/12 :)
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The fracture strength of tempered glass averages 14.1 (measured in thousands of pounds per square inch) and has standard deviati
ololo11 [35]

Answer:

0.15866 is the probability of the average fracture strength of selected 100 pieces of glasses that of exceed 14.3.

Step-by-step explanation:

Given that, the strength of a tempered(x) a glass has average 14.1 and has standard deviation 2.

\mu_x=14.1 , \sigma_x=2

n=number of selected pieces= 100.

The probability that the average fracture strength of 100 pieces of this glass exceed 14.3 is

P(\overline X>14.3)=P(\frac{\overline X-\mu_x}{2/\sqrt n}>\frac{14.3-14.1}{2/\sqrt{100}})

                    =P(\overline X>1)

                    =1-P(\overline X\leq 1)

                    = 1 - 0.84134

                    =0.15866.

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3 years ago
What is the slope of the line below?
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Answer:

6/5

Step-by-step explanation:

I hope that it's a clear solution.

8 0
3 years ago
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Simplify the following expression:<br> 9^−53 ⋅ 9^37<br><br> Please also explain your answer. Thanks!
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Answer: 9^-16

Step-by-step explanation:

a^b*a^c= a^b+c

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COS (377= 32
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The answer is c because the remaining number would be 10
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What is 1/10 of 0.84
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1/10 of 0.84 is 0.084.
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