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1. An amount of R25 000 is invested at an interest rate of 11% per annum compounded half-yearly forn years. Find the value of n if at the end of this period the investment has accumulated to R58 890.
2. R2 000 is invested at 10% per annum compounded half-yearly. After three months, the interest rate changes to 12% per annum compounded monthly. Find the value of the investment after two years.
what is the probability of the event's complement?
after a pretty successful life financially you decide to give away your fortune to your five children. your fortune
WHich sampling method from the choices listed above would be best? Describe how you would carry out your chosen sampling method of a student from part (a)
the weekly income of night cashiers at a major department store follows the normal probability distribution. the
compute the standard error of the estimate for the data below.x values 56 68 78 85 98y values 87 110 138 161
An insurance company estimates the probability of an earthquake in the next year to be 0.0013. The average damage done by an earthquake it estimates to be $60,000.
Assume that male snakes of a particular species are all scaled versions of the same basic shape. Describe in words the sort of relationship that you might expect there to be between the volume and the length of a snake. What relationship would you ..
CRA CDs Inc. wishes mean lengths of "cuts" on a CD to be 132 seconds (2 minutes and 12 seconds). This will permit disk jockeys to have plenty of time for commercials in each 10-minute segment.
question 1 suppose you own a campsite in chamarel and you wish to increase the site in order to increase your profits.
(a) Formulate the null and alternative hypothesis for this test scenario. (b) Which test statistic (z or t) is appropriate for this test? Why? (c) Test the validity of the supermarket's belief by conducting a hypothesis test for a single mean. Use ..
there are 30000 students enrolled at city university. a simple random sample of 1600 city university students was taken
An unpooled variance t-statistic, if appropriate, would have 7 degrees of freedom. Calculate the value of an appropriate test statistic. Construct the rejection region.
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