Bill has $6 more than Ted. Together they have $32. Write two equations and then solve for the amount of money that bill has.
1 answer:
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Given , revenue function :
Cost function
Profit = Revenue - Cost
Hence, P = R(x) - C(x)
Total revenue for x = 12000 is
Total cost for x = 12000,
Profit = 60000-28500 = 31500
Answer = 31500
The 99% confidence interval for the true mean is given by:
where:
is the sample mean = 69.7
is the standard deviation = 2.8
is the test statistics = 2.58 for for 99% confidentce interval.
n is the sample size = 772.
Therefore, the 99% confidence interval is:
where:
n is the sample size = 772.
Therefore, the 99% confidence interval is: