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3 years ago

Please answer fast...

Mathematics

2 answers:

elixir [45]3 years ago

5 0

Answer:

5/6

Step-by-step explanation:

There are a total of 6 possible numbers that can be rolled when you roll a regular dice. Out of these, 5 of them are not 5, meaning that the probability of rolling one of them is 5/6. Hope this helps!

Oliga [24]3 years ago

4 0

Answer:

5/6, there are 5 non V sides and only 1 V side

Step-by-step explanation:

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A professor thinks that the students in her statistics class this term are less creative than most students at this university.

choli [55]

Answer:

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

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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hodyreva [135]

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Answer:

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Step-by-step explanation:

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