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:
13c
Step-by-step explanation:
-2+15=13
13c
Answer:
l/b=a
Step-by-step explanation:
Answer:
About 64.65 degrees
Step-by-step explanation:


Make sure your calculator is in degree mode.
Answer:12
Step-by-step explanation:
12x9=108
108-7=101
Your welcome