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uysha [10]
2 years ago
14

What’s 112/250 simplified

Mathematics
2 answers:
Nutka1998 [239]2 years ago
5 0

Answer:

The simplest form of 112/250 is 56/125. Steps to simplifying fractions. Find the GCD (or HCF) of numerator and denominator. GCD of 112 and 250 is 2

svp [43]2 years ago
3 0

Answer:

\frac{56}{125}

Step-by-step explanation:

112/250

Reduce the fraction \frac{112}{250} to the lowest terms by extracting and canceling out 2.

\frac{56}{125}

Hope it helps and have a great day! =D

~sunshine~

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Answer: Hypotheses ?

Step-by-step explanation:

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3 years ago
An automobile manufacturer has given its van a 31.3 miles/gallon (MPG) rating. An independent testing firm has been contracted t
Fynjy0 [20]

Answer:

z=\frac{31.1-31.3}{\frac{1.3}{\sqrt{140}}}=-1.82  

The p value for this case would be given by:

p_v =2*P(z  

For this case since the p value is higher than the significance level we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true mean is not significantly different from 31.3 MPG

Step-by-step explanation:

Information given

\bar X=31.1 represent the sample mean  

\sigma=1.3 represent the population standard deviation

n=140 sample size  

\mu_o =31.3 represent the value that we want to test  

\alpha=0.02 represent the significance level for the hypothesis test.  

z would represent the statistic

p_v represent the p value

Hypothesis to test

We want to test if the true mean is equal to 31.3 MPG, the system of hypothesis would be:  

Null hypothesis:\mu =31.3  

Alternative hypothesis:\mu \neq 31.3  

Since we know the population deviation, the statistic is given by

z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}} (1)  

Replacing we got:

z=\frac{31.1-31.3}{\frac{1.3}{\sqrt{140}}}=-1.82  

The p value for this case would be given by:

p_v =2*P(z  

For this case since the p value is higher than the significance level we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true mean is not significantly different from 31.3 MPG

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Answer:

C.

Step-by-step explanation:

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