A Stockbroker Has Money in Three Accounts

question 44

Multiple Choice

A stockbroker has money in three accounts. The interest rates on the three accounts are 8%, 10%, and 12%. If she has twice as much money invested at 10% as she has invested at 8%, three times as much at 12% as she has at 8%, and the total interest for the year is $384, how much is invested at each rate? ( Hint : Let x = the amount invested at 8%.)

• A)$510 invested at 8% $1,020 invested at 10%, $1,530 invested at 12%
• B)$600 invested at 8% $1,200 invested at 10%, $1,800 invested at 12%
• C)$660 invested at 8% $1,320 invested at 10%, $1,980 invested at 12%
• D)$597 invested at 8% $1,194 invested at 10%, $1,791 invested at 12%
• E)$735 invested at 8% $1,470 invested at 10%, $2,205 invested at 12%

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Definitions:

Path Analysis

A statistical technique used for examining the direct and indirect relationships between multiple variables in complex models.

Reliable Change Index

A statistical measure used to determine whether the change in a subject's performance or score over time is significant and not due to measurement error.

Measurement Error

The difference between the observed value and the true value of what is being measured, due to various inaccuracies in measurement processes.

Client Progress

The positive changes, developments, or improvements experienced by a client as a result of therapeutic intervention, counseling, or treatment.