Answer:
$214
Step-by-step explanation:
200*0.07 = 14, 200 + 14 = 214
Answer:
12
Step-by-step explanation:
12-8=8
Answer:
20
Step-by-step explanation:
25% of 80=20
Answer:

Step-by-step explanation:
-For a known standard deviation, the sample size for a desired margin of error is calculated using the formula:

Where:
is the standard deviation
is the desired margin of error.
We substitute our given values to calculate the sample size:

Hence, the smallest desired sample size is 23
1. 0.67 this one does not belong - -2. 0.004 3. 0.2