Answer:
a) (0.806, 0.852)
b)Margin of error ≤ 0.01
1.96*√{0.5*(1–0.5)/n} ≤ 0.01
√n ≥ 98
n ≥ 9604
• Smallest sample size = 9604
Step-by-step explanation:
I found this on Chegg
Interest charge = balance x ( apr/12)
3000 x (.24/12) = 60
Balance = 3000 + 60 = 3060
Minimum payment is total balance x percent for payment:
3060 x 5% = 153
The minimum payment is $153
for each inch is 5 feet, so for each 0.5 aka 1/2 inch, it would be 2.5 inches
2in: 5+5=10ft
2.5in: 5+5+2.5=12.5ft
or just simply mutiply by 2
2(5)= 10ft
2.5 inches so 2.5(5)=12.5
The dimensions of the actual room are 10 feet by 12.5 feet
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.