Answer:
The point estimate for
is 8.5 hours.
Step-by-step explanation:
The Central Limit Theorem estabilishes that, for a random variable X, with mean
and standard deviation
, a large sample size can be approximated to a normal distribution with mean
and standard deviation
.
In this problem
We are working with a sample of 81 adults, so the point estimae of the mean is the mean number of weekly hours that U.S. adults use computers at home.
So, the point estimate for
is 8.5 hours.
Answer:
w-3
Step-by-step explanation:
Do I really have to explain this??
Answer: 6.2 + 1.45 is 7.65% which as a decimal is 0.0765 so multiply that by 38550.
Powers of ten! is the answer
Answer:
-27
Step-by-step explanation:
substitute x for 5

multiply -5 and 5

subtract 2 from -25
