Five friends are going to share 1/2 of a pizza. How much of a whole pizza will each friend eat?
2 answers:
Answer:
Step-by-step explanation:
Given : Five friends are going to share of a pizza.
Then by using the division operation (÷) , we have
The part of whole pizza will each friend eat =
[When we divide a fraction by a number , we flip the number to get the ts reciprocal and multiply it to the fraction.]
Hence, the part of whole pizza will each friend eat =
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Answer:
And we can find the limits in order to consider values as significantly low and high like this:
Step-by-step explanation:
Previous concepts
A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".
The margin of error is the range of values below and above the sample statistic in a confidence interval.
Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".
Solution to the problem
For this case we can consider a value to be significantly low if we have that the z score is lower or equal to - 2 and we can consider a value to be significantly high if its z score is higher tor equal to 2.
For this case we have the mean and the deviation given:
And we can find the limits in order to consider values as significantly low and high like this: