2 standard deviations contain 95% confidence. So thus you would have 4hrs in either direction. So the interval at which we could feel 95% confident is between 11-19hrs.
Answer:
Susie made the error when she subtracted 2.
Answer:
1
Step-by-step explanation:
3-(-5)-7
(3+5)-7
8-7
= 1
Remember, a negative times a negative equals a positve.
Answer:
(1)(5)- .56= 5-.56= 4.44 is the answer