How do 8 students share 5 square pieces of cake equally?
2 answers:
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Answer:
17.2
Step-by-step explanation:
3x=12+y
x=12+y/3
(y is divided by y so it no longer exists)
Answer:
And we can find this probability using the normal standard distribution and we got:
Step-by-step explanation:
For this case we have the foolowing parameters given:
represent the mean
represent the standard deviation
the sample size selected
And for this case since the sample size is large enough (n>30) we can apply the central limit theorem and the distribution for the sample mean would be given by:
And we want to find this probability:
We can use the z score formula given by:
And we can find this probability using the normal standard distribution and we got:
