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denis23 [38]
3 years ago
9

In which step did Honi make the mistake

Mathematics
2 answers:
Scorpion4ik [409]3 years ago
8 0
Step 4 bc x can't be 250. If 1/4x = 50, then x must be 200, not 250.
olasank [31]3 years ago
4 0
Honi maded the mistake in step 1
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Halla las dimensiones de un rectángulo de 48 cm2 de área sabiendo que es 2 cm<br> más ancho que alto
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Answer:Alto 16cm Ancho 32cm

A+2A=48

3A=48

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A=16

Step-by-step explanation:

7 0
3 years ago
A quality control specialist at a pencil manufacturer pulls a random sample of 45 pencils from the assembly line. The pencils ha
amm1812

Answer:

The P-value you would use to test the claim that the population mean of  pencils produced in that factory have a mean length equal to 18.0 cm is 0.00736.

Step-by-step explanation:

We are given that a quality control specialist at a pencil manufacturer pulls a random sample of 45 pencils from the assembly line.

The pencils have a mean length of  17.9 cm. Given that the population standard deviation is 0.25 cm.

Let \mu = <u><em>population mean length of  pencils produced in that factory.</em></u>

So, Null Hypothesis, H_0 : \mu = 18.0 cm     {means that the population mean of  pencils produced in that factory have a mean length equal to 18.0 cm}

Alternate Hypothesis, H_A : \mu\neq 18.0 cm     {means that the population mean of  pencils produced in that factory have a mean length different from 18.0 cm}

The test statistics that will be used here is <u>One-sample z-test</u> statistics because we know about the population standard deviation;

                           T.S.  =  \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }  ~ N(0,1)

where, \bar X = sample mean length of pencils = 17.9 cm

           \sigma = population standard deviation = 0.25 cm

           n = sample of pencils = 45

So, <u><em>the test statistics</em></u> =  \frac{17.9-18.0}{\frac{0.25}{\sqrt{45} } }  

                                    =  -2.68

The value of z-test statistics is -2.68.

<u>Now, the P-value of the test statistics is given by;</u>

         P-value = P(Z < -2.68) = 1 - P(Z \leq 2.68)

                      = 1- 0.99632 = 0.00368

For the two-tailed test, the P-value is calculated as = 2 \times 0.00368 = 0.00736.

7 0
3 years ago
All the ratios that are equivalent to the ratio 12:3.
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Answer:

Step-by-step explanation:

12:3 = 12 divide by 3 = 4

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(Because I remember this question from FLVS)

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