Answer:
The required sample size for the new study is 801.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of 
, and a confidence level of 
, we have the following confidence interval of proportions.
In which
z is the zscore that has a pvalue of 
.
The margin of error is:
25% of all adults had used the Internet for such a purpose
This means that 
95% confidence level
So 
, z is the value of Z that has a pvalue of 
, so 
.
What is the required sample size for the new study?
This is n for which M = 0.03. So
Rounding up:
The required sample size for the new study is 801.
Answer:
29.7 is the standard deviation :)
Hey there Ag484p1stit,
Answer:
Rent = 25% x $3,400
= $850
Left now = $3,400 - $850
= $2,550
Transportation = 30% x $2,550
= $765.
She spends $765 on transportation.
Hope this helps :D
<em>~Danielle♥</em>
Answer:
Add each side to get perimeter so your total is 38ft
Step-by-step explanation:
Correct Question:
A car/bus travels at a speed of 45 km/h. How far will it travel in 36 minutes?
(Note- Corrected part is written in bold.)
Solution:
- Hence, a car/bus travels 27 km in 36 mins.
