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Answer:
The value is
Step-by-step explanation:
From the question we are told that
The sample size is n = 73
The proportion that in favor of raising the tuition is
The standard deviation is
The required standard deviation
Generally the requires standard deviation is mathematically represented as
=>
=>
=>
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Answer:
It will take 146 days to earn an interest of $80.
Step-by-step explanation:
The simple interest formula is:
It is provided that:
I = $80
P = $4,000
r = 5% p.a.
Compute the time required as follows:
Thus, it will take 146 days to earn an interest of $80.