The solution to 15x = 30 is x =___. (Only input the number.)
2 answers:
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Answer:
No
Step-by-step explanation:
<em>We can either cross multiply or turn into decimal form to see if they have the same value.</em>
<em>I will be showing both.</em>
<em />
<u><em>Cross Multiply: </em></u><em> </em><u><em>Decimal Form:</em></u>
<u><em></em></u>
We can conclude that 18/24 and 10/15 are not the same.
<u><em>~Kavinsky</em></u>
Answer:
The 95% confidence interval for the true proportion of all teams that had a season winning percentage better than 0.500 is (0.1853, 0.6147).
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence interval
, we have the following confidence interval of proportions.
In which
Z is the zscore that has a pvalue of .
For this problem, we have that:
8 out of the 20 teams in the sample had a season winning percentage better than 0.500. This means that .
95% confidence interval
So , z is the value of Z that has a pvalue of
, so
.
The lower limit of this interval is:
The upper limit of this interval is:
The 95% confidence interval for the true proportion of all teams that had a season winning percentage better than 0.500 is (0.1853, 0.6147).