A construction worker estimates that a kitchen remodel will take 1 person 200 hours. If 5 people work on the job for 8 hours a d
2 answers:
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Answer:
Step-by-step explanation:
From the question we are told that:
Standard Deviation
Let
Since
Significance level
Therefore
Generally the equation for Sample size is mathematically given by
Answer: Amount that they paid in 2007 is 1.01 millions.
Step-by-step explanation:
Since we have given that
Number of millions paid last month = $1.29 millions
According to question, it was 26% above what they paid in 2007.
Let the amount paid in 2007 be x
So, our equation becomes,
Hence, Amount that they paid in 2007 is 1.01 millions.