The 99% confidence interval for the true mean is given by:
where:
is the sample mean = 69.7
is the standard deviation = 2.8
is the test statistics = 2.58 for for 99% confidentce interval.
n is the sample size = 772.
Therefore, the 99% confidence interval is:
X should be 13 not sure about y
The answer should be 1,084
Explanation: she drives 14 miles to PLA and 14 miles from PLA. that’s 28 miles in a day multiply the 3 days she travels back and forth and it gives you 84 miles, plus the 1000 she already had.
Answer:
Out off 100
Step-by-step explanation:
10 don't have dutch heritage.
20 don't have German heritage.
25 don't have English heritage.
100 - 55
At minimum, 45 people have all three heritages.
Answer:
33
Step-by-step explanation:
35*3-8+33=33
