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morpeh [17]
2 years ago
13

Whats 952.80 ↪ hundreds​

Mathematics
2 answers:
Kazeer [188]2 years ago
8 0

Answer:

952

Step-by-step explanation:

miv72 [106K]2 years ago
3 0
When it is rounded to the ones place, it would be 953, rounded to tens would be 950, and rounded to hundreds is 1000 I think, sorry if I’m wrong. I hope I helped !
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The calibration of a scale is to be checked by weighing a 13 kg test specimen 25 times. Suppose that the results of different we
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Solution :

a).

Given : Number of times, n = 25

            Sigma, σ = 0.200 kg

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Therefore the hypothesis should be tested are :

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$H_a : \mu \neq 13$

b). When the value of $\overline x = 12.84$

 Test statics :

   $Z=\frac{(\overline x - \mu)}{\frac{\sigma}{\sqrt n}} $

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          $=\frac{1.82}{0.04}$

          = 45.5  

P-value = 2 x P(Z > 45.5)

            = 2 x 1 -P (Z < 45.5) = 0

Reject the null hypothesis if P value  < α = 0.01 level of significance.

So reject the null hypothesis.

Therefore, we conclude that the true mean measured weight differs from 13 kg.

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3 years ago
(50 points) What is the value of sin J for this triangle?
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