Newton Kress plans to give his son $12,500 when his son turns 21, which will be 5 years from now. If Newton finds an investment that will pay 8% compounded semiannually, compute the amount that he must invest today to achieve his goal. (Use Tables 16-1A&B or 16-2A&B or a calculator.)​

What is the difference between the observed and true scores?

A) score differential
B) score difference
C) error score
D) error of approximation

Indicate whether each of the following should be (A) added to the bank statement balance, (B) subtracted from the bank statement balance, (C) added to the checkbook balance, or (D) subtracted from the checkbook when computing the reconciled balance.
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a.Outstanding checks
b.Bank fee for printing checks
c.Error in the check register: a deposit of $995 was recorded as $955
d.Deposit which did not appear on the bank statement
e.Service fees for ATM withdrawals

A lawn service owner is testing new weed killers. He discovers that a particular weed killer is effective 89% of the time. Suppose that this estimate was based on a random sample of 60 applications. Construct a 90% confidence interval for p, the true proportion of weeds killed by this particular brand.
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