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There are 20 piece of fruit in a bowl and also 5 the them room apples. What percent the the fruit room apples?


The median monthly cell phone bill was reported to it is in $50.07 by the U.S. Wireless Industry. Arbitrarily Sampling the a large cell pho

yellowcomic.com:

The null and alternative hypotheses are:

*

*
50.07" alt="H_a:\mu>50.07" align="absmiddle" class="latex-formula">

Under the null hypothesis, the test statistic is:

*

Where:

*
is the sample mean

*
is the sample conventional deviation

*
is the sample size

*

*

Now, the appropriate tailed t an essential value in ~ 0.05 meaning level because that df = n-1 = 10-1 = 9 is:

*

Since the t statistic is less than the t crucial value at 0.05 definition level, therefore,we fail to reject the null hypothesis and also conclude the there is not enough evidence to support the claim that the mean phone bill has increased.


4 0
8 months ago

Is 2/4 greater than 1/8
mr <1>
2/4 is higher than 1/8 due to the fact that if you change 2/4 come a portion with the very same denominator it would certainly be 4/8 and 1/8. Therefore 2/4 is better than 1/8
4 0
8 month ago
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