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An investment broker reports that the yearly returns on common stocks are approximately normally distributed with a mean return of 12.4 percent and a standard deviation of 20.6 percent. On the other hand, the firm reports that the yearly returns on tax-free municipal bonds are approximately normally distributed with a mean return of 5.2 percent and a standard deviation of 8.6 percent. Find the probability that a randomly selected
a. Common stock will give a positive yearly return.b. Tax-free municipal bond will give a positive yearly return.c. Common stock will give more than a 10 percent return.d. Tax-free municipal bond will give more than a 10 percent return.e. Common stock will give a loss of at least 10 percent.f. Tax-free municipal bond will give a loss of at least 10 percent.
He takes twice as long at full speed to get back to the dock going against the current. How fast will his fishing boat go?
What is the average cost per unit to produe 100 units?
Draw the decision tree.Show the Expected Monetary Value at each step? What strategy maximizes the dealer's profit and what is the Expected Value of Perfect Information value the dealer would place on knowing when the item will be sold
Describe an example of a data set that cannot be represented by a tree, but that be represented by a more general graph. Explain why it cannot be represented by a tree.
You want to see if the number of minutes cell phone users use each month has changed from its mean of 120 minutes 2 years ago. You take a random sample of 100 cell phone users and find an average of 135 minutes used.
calculate the following future value:
He estimates the profit on his outlay including the manufacturing of rejected articles to be 20 %.Find the cost of manufacturing of each article.
find the interest and the amount repaid using a 360-day year. round to the nearest cent. $9400.00principal, 10%rate, 36 days time. need to find the interest and amount.
Please evaluate the following integral using the formula for integration by parts, Please show detailed solution, including substitution(s) used.
At a one percent level of significance, test to see if the mean of the population is at least twelve ounces. Write your conclusion?
Morris Leste, owner of Carlson Company, has three employees who earn $431, $503, and $738 per week. What are the total state and federal unemployment taxes that Morris owes for the first 12 weeks of the year and for week 30?
the population of a city can be modeled by p=125000 e^0.02t where t is the number of years since 1990. what was the population in 1995?
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