Answer:
The sample size required is 2500.
Step-by-step explanation:
z-score:
In function of the margin of error M, the z-score is given by:

In this question, we have that:

So






The sample size required is 2500.
Answer:
5 ( x + 69)/4
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
Absolute value means take the positive value
3|-4|
3*4
12
Answer:
2.82842712475
Step-by-step explanation:
The square root of 8 in radical form is represented as √8 which is also equal to 2√2 and as a fraction, it is equal to 2.828 approximately. Squares root of a number is the number, which multiplying by itself gives the original number
Answer:
I got 1.25
Step-by-step explanation: