A furnace used 40% of the fuel in its tank in the month of March and then used 25% of the remaining fuel in the month of April.
1 answer:
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Answer:
626 and 654
Step-by-step explanation:
Given that a television sports commentator wants to estimate the proportion of citizens who "follow professional football."
Part I:
p = 0.48
Margin of error =
Sample size should be >626
Part II:
If unknown we take p = 0.5 because maximum std error for this
Here everything would be the same except insted of 0.48 we use 0.5
Margin of error =
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a and b are too close because 0.46 proportion is close to part b proporti0n 0.5
Answer:
<h2>Option A is the answer(here the answer is calculated taking the whole value, without approximating it to a nearest value)</h2>Step-by-step explanation:
Annual interest rate is 2.75%. Hence, the monthly interest rate is
The amount will be compounded times.
Every month they deposits $500.
In the first month that deposited $500 will be compounded 240 times.
It will be
In the second month $500 will be deposited again, this time it will be compounded 239 times.
It will give
Hence, the total after 20 years will be