A farmer stores bags of seed in 4 rows. There are 4 bags
2 answers:
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Answer:
Step-by-step explanation:
The 95% confidence interval can be calculated as:
Where is the mean consumption of milk,
is the sample mean,
is the population standard deviation,
is the size of the sample,
is 5% and
is the z-value that let a probability of
on the right tail.
So, replacing by 3.4 liters,
by 1.3 liters, n by 650 and
by 1.96, we get that the 95% confidence interval is equal to: