Answer:
a. 0
b. Yes
c. The manufacturers claim is not plausible
d. 0.3446
e. A sample mean life time of 39.8hr is not unusually short.
f. The manufacturers claim us plausible
Step-by-step explanation:
Please see attachment
Sicilia randomly selected 25% percent of the Sound Sleep email subscribers and asked them how many hours of sleep they average e
1 answer:
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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