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3 years ago

5/8 of my allowance is 60.00. So what is 1/2 of it?

Mathematics

1 answer:

solmaris [256]3 years ago

3 0

Answer:

youre total is 96.00 so half of it will be 48

Step-by-step explanation:

we need to find your total first

5/8 * 60/?

multiply 8 with 60, getting you 480

the divide with 5 getting you 96, now to find the 1/2 of your amount just divide this with two and now you have it! 48 is your total half

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A group of researchers are interested in the possible effects of distracting stimuli during eating, such as an increase or decre

Dmitry [639]

Using the t-distribution, it is found that since the p-value of the test is of 0.0302, which is less than the standard significance level of 0.05, the data provides convincing evidence that the average food intake is different for the patients in the treatment group.

At the null hypothesis, it is tested if the consumption is not different, that is, if the subtraction of the means is 0, hence:

$H_0: \mu_1 - \mu_2 = 0$

At the alternative hypothesis, it is tested if the consumption is different, that is, if the subtraction of the means is not 0, hence:

$H_1: \mu_1 - \mu_2 \neq 0$

Two groups of 22 patients, hence, the standard errors are:

$s_1 = \frac{45.1}{\sqrt{22}} = 9.6154$

$s_2 = \frac{26.4}{\sqrt{22}} = 5.6285$

The distribution of the differences is has:

$\overline{x} = \mu_1 - \mu_2 = 52.1 - 27.1 = 25$

$s = \sqrt{s_1^2 + s_2^2} = \sqrt{9.6154^2 + 5.6285^2} = 11.14$

The test statistic is given by:

$t = \frac{\overline{x} - \mu}{s}$

In which $\mu = 0$ is the value tested at the null hypothesis.

Hence:

$t = \frac{25 - 0}{11.14}$

$t = 2.2438$

The p-value of the test is found using a two-tailed test, as we are testing if the mean is different of a value, with t = 2.2438 and 22 + 22 - 2 = 42 df.

Using a t-distribution calculator, this p-value is of 0.0302.

Since the p-value of the test is of 0.0302, which is less than the standard significance level of 0.05, the data provides convincing evidence that the average food intake is different for the patients in the treatment group.

A similar problem is given at brainly.com/question/25600813

4 0

3 years ago

Convert 3.4 meters to centimeters. cm can someone pls help thx! :>

valentina_108 [34]

Answer: 340 centimeters

Step-by-step explanation: Just times 3.4 by 10 to get 340 centimeters.

Hope this helped!

Please mark brainliest if you feel like it!

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3 years ago

Write an equation in slope-intercept form of a line that has a slope of 1/2