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3 years ago

There are 22 soccer balls, and each bag holds 6 balls. how many bags does rico completely fill ? how many soccer are left?

Mathematics

1 answer:

muminat3 years ago

8 0

Answer:

3 bags and 4 soccer balls leftover.

Step-by-step explanation:

Divide 22 by 6 and use only the number before the decimal. This means you need 3 bags.

Now multiply 3 by 6 to see how many soccer balls were put in bags. (18)

Now subtract 18 from 22 and you have the number of balls leftover. (4)

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Step-by-step explanation:

$\mu=35\\n=23\\\=x=33\\s=5\\\alpha=0.1$

1. Null and alternative hypothesis

$H_{0}:\mu=35\\H_{1}:\mu$

2. Significance level

$\alpha=0.1\\1-\alpha=0.99$

Freedom degrees is given by:

$v=n-1\\v=23-1=22$

For a sgnificance level of 0,01 and 22 freedom degrees, t-student distribution value is:

$t_{0.01;23}=-2. 5083$

3. Test statistic

$t=\frac{\=x-\mu}{\frac{s}{\sqrt{n} } }$

$t=\frac{33-35}{\frac{5}{\sqrt{23} } }$

$t=-1,918$

In this case, we have an one left tailed analysis, it means that null hypothesis is rejected if $t$

$-1.918>-2.5083$

Conclusion:

It is not enough evidence to reject null hypothesis. It is not enough evidence to say that mean score is not equal to 35.

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