Answer:
The correct answer is "1668". A further solution is provided below.
Step-by-step explanation:
According to the question,
Estimated proportion,
Margin of error,
E = 0.02
Level of confidence,
= 90%
= 0.90
Critical value,
Now,
⇒
or,
Answer:
Step-by-step explanation:
2/3 - 1/2 would equal 1/6.
Answer: $13.75
Step-by-step explanation: You first multiply 15 and 0.75 which is $11.25 and then you add the fee which is $2.50 which gives you $13.75.