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Margaret [11]
3 years ago
14

What is the order of 7/8, 0.98, 8/9 from least to greatest?

Mathematics
2 answers:
katrin [286]3 years ago
4 0
The order is 7/8, 8/9, o.98
MaRussiya [10]3 years ago
3 0
The order is
7/8
8/9
0.98
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Persons having Raynaud's syndrome are apt to suffer a sudden impairment of blood circulation in fingers and toes. In an experime
Citrus2011 [14]

Answer:

There is enough evidence to say that the true average heat output of persons with the syndrmoe differs from the true average heat output of non-sufferers.

Step-by-step explanation:

We have to perform a hypothesis test on the difference between means.

The null and alternative hypothesis are:

H_0: \mu_1-\mu_2=0\\\\H_a: \mu_1-\mu_2

μ1: mean heat output for subjects with the syndrome.

μ2: mean heat output for non-sufferers.

We will use a significance level of 0.05.

The difference between sample means is:

M_d=\bar x_1-\bar x_2=0.63-2.09=-1.46

The standard error is

s_{M_d}=\sqrt{\sigma_1^2/n_1+\sigma_2^2/n_2}=\sqrt{0.3^2/9+0.5^2/9}=\sqrt{ 0.038 } \\\\ s_{M_d}=0.194

The t-statistic is

t=\dfrac{M_d}{s_{M_d}}=\dfrac{-1.46}{0.194}=-7.52

The degrees of freedom are

df=n_1+n_2-2=9+9-2=16

The critical value for a left tailed test at a significance level of 0.05 and 16 degrees of freedom is t=-1.746.

The t-statistic is below the critical value, so it lies in the rejection region.

The null hypothesis is rejected.

There is enough evidence to say that the true average heat output of persons with the syndrmoe differs from the true average heat output of non-sufferers.

5 0
2 years ago
There are 4 students on a team for a relay race. How many teams can be made from 27 students?
Lina20 [59]
There can be 6 teams because 
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yet there will be 3 students left, so they can be a team ;)
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I think it's 37.5 . I'm pretty sure cause I think you divide 3/8 . Then you go 2 to the right for your answer with the decimal. Not sure but . I think I'm right.
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Is 66,369,027 divisible by 4?
larisa86 [58]

Answer: no because you get a decimal

Step-by-step explanation:

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Naya [18.7K]

Answer:

<u><em>D</em></u>

Step-by-step explanation:

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Hope this helps!

5 0
3 years ago
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