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You have ?$66,000. You put 19?% of your money in a stock with an expected return of 11?%, ?$31,000 in a stock with an expected return of 18?%, and the rest in a stock with an expected return of 20?%. What is the expected return of your? portfolio?
Find the probability that a five-card poker hand, chosen randomly from a 52-card deck, contains four aces. That is, if all 52! arrangements of a deck of cards are equally likely, what is the probability that all four aces are in the first five car..
The mean work week for engineers in a start-up company is believed to be about 60 hours. A newly hired engineer hopes that it's shorter.
Cars arrive at a toll booth at a mean rate of five cars every 10 minutes according to a Poisson process. Find the probability that the toll collector will have to wait longer than 26.30 minutes before collecting the eighth toll.
suppose we have far more variables than observations so that kgtn. we can include at most n-1 variables at which point
Find the probability that both adults dine out more than once per week. The probability that both adults dine out more than once per week is nothing.
What is the present value of the technology if the discount rate is 9 percent?
Calculate the lower endpoint of a 90% confidence interval for the population mean (number of minutes using the cell phone.
At the .01 significance level, is there a difference in the use of the four entrances?
(a) What are the possible values of X? (b) For each possible value of X, determine its probability. (c) Present the distribution law (the probability mass function) of the random variable X as a table. (d) Depict the probability mass function of X as..
What is the prediction for Home Price if Square Feet = 2,000? (c) Would the intercept be meaningful if this regression applies to home sales in a certain subdivision?
Of the 1,4000 homemakers sampled, 420 were able to identify the brand by name. Estimate the value of the population proportion.
Its mean is 139 and its standard deviation is 12. Approximately how many terms can you expect to find between the values of 115 and 163?
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