3 years ago

1/4 + 1/8= ????????????

Mathematics

2 answers:

Mashutka [201]3 years ago

8 0

Answer:

3/8

Hopes this helps you

Vera_Pavlovna [14]3 years ago

5 0

Answer:

3/8!! hope i helped :))

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The average cost of tuition, room and board at small private liberal arts colleges is reported to be $8,500 per term, but a fina

Vlada [557]

Answer:

The test statistic for this test is 3.82.

Step-by-step explanation:

The null hypothesis is:

$H_{0} = 8500$

The alternate hypotesis is:

$H_{1} > 8500$

Our test statistic is:

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the sample mean, $\mu$ is the value tested at the null hypothesis, $\sigma$ is the standard deviation of the population and n is the size of the sample.