Answer:3.87298334621
Step-by-step explanation:
First step
12 x 1.3
Second step
15.6 x 7.5
The answer is 117 :)
Answer:
4
Step-by-step explanation:
Answer:
n=601
Step-by-step explanation:
Formula used:

Solution:

Where,

As there is no previous estimate for p
Then, p=0.5
Here on using the table

Also,
E=0.04
p=0.5
Thus,
n=600.2279407
On approximating the value,
n=601