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A professor believes that the mean mark of final exam (out of 100) of his subject is more than 60. Accordingly, he selects 100 students at random and finds that the average mark to be 63 and the standard deviation is 15. To see if his belief is substantiated, conduct the test at a suitable significant level. State the assumptions made. see if his belief is substantiated, conduct the test at a suitable significant level. State the assumptions made.
Complete hypothesis test using a 5% level for risk with directional research hypothesis.
Find the critical value z that corresponds to the given confidence level of 90%.
When the Sharpe Ratio for the market portfolio is 0.5, what risk-free rate Rf is the market anticipate? Draw on a diagram for the Capital Market Line derived from the above data. Make sure to clarify the intercept and the slope.
Formulate the hypotheses that can be used to determine whether the mean of all account balances is significantly different from $1,150
The following table shows the number of miles driven in each trial.
we wish to estimate the mean using a sample size of n = 49. Find the probability that we could be correct within 1kg/m 2 .
If she has chosen the first weeks rides, how many ways can she choose four more different rides for the second week? Assume that order does not matter.
Use MegaStat's output for simple linear regression to determine the regression equation
Construction of frequency distribution table for the given continuous data.
Determine the relationships among data above? Analyze with charts/graphs/tables and a discussion.
Can we conclude from this that most workers there earn between $25 and $35 per hour? Is this the right interpretation for the margin of error?
Normalized matrix for one decision criterion at Firm T is given below.
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