What is 1/10 of 3,000
2 answers:
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Answer:
Step-by-step explanation:
As per given , we have
n = 11
Since population standard deviation is missing, so we use t-test.
Critical t-value for 99% confidence :
[using two-tailed t-value table]
Confidence interval :
Hence, 99% confidence interval for the mean amount of time that students spend in the shower each day.=
Answer:
Step-by-step explanation:
The given function is
To find k(-5), we put x=-5 into the given function to get;
Multiply out to obtain;
This is the same as;
This simplifies to