Step-by-step explanation:
helpful for you..........
Answer: Option 'd' is correct.
Step-by-step explanation:
Since we have given that
Margin of error = 0.5 years
Standard deviation = 5
At 90% confidence, z = 1.645
We need to find the minimum size of the sample they must take.
So,

Hence, Option 'd' is correct.
Answer:
Your answer is x = 24 , y =8√3
Step-by-step explanation:
Sorry for late answer actually I was preparing for my exams. ❤
It will cost 88 tokens to park for 22 hours because you will have to multiply the 4 by the 22 to get the 88 tokens so therefore the answer is 88 tokens