Alex has 1/3 of a candy bar. He wants to share what he has left of his candy bar with his 2 friends, so that all three of them g
1 answer:
If the 1/3 candy is shared into three equal parts. Then the fraction of the candy bar will each kid get will be 1/9.
<h3>What is division?</h3>Division means the separation of something into different parts, sharing of something among different people, places, etc.
Alex has 1/3 of a candy bar.
He wants to share what he has left of his candy bar with his 2 friends so that all three of them get equal portions.
Then the fraction of the candy bar will each kid get will be
More about the division link is given below.
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Answer:
Step-by-step explanation:
Use the slope formula.
Solve.
- <u>Therefore, the slope is 2, which is our answer.</u>
I hope this helps. Let me know if you have any questions.
Answer:
The 90% confidence interval for the population mean iron concentration is between 0.167 cc/m³ and 0.195 cc/m³.
Step-by-step explanation:
We have that to find our level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of .
So it is z with a pvalue of , so
Now, find M as such
In which is the standard deviation of the population and n is the size of the sample.
The lower end of the interval is the sample mean subtracted by M. So it is 0.181 - 0.0140 = 0.167 cc/m³.
The upper end of the interval is the sample mean added to M. So it is 0.181 + 0.0140 = 0.195 cc/m³.
The 90% confidence interval for the population mean iron concentration is between 0.167 cc/m³ and 0.195 cc/m³.