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A project has the following cash flows. What is the internal rate of return? Year 0 1 2 3 Cash flow -$121,000 68,150 $42,200 $39,100 14.39% 13.47% 14.82% 12.71% 13.85%
A national study has determined that people who work full time average 43.4 hours worked per week. Assume that the number of house worked per week for those who work full time is normally distributed.
The mean of a normal distribution is 400 pounds. The standard deviation is 10 pounds. a) what is the area between 415 pounds and the mean of 400 pounds?
assume that three industrial processes a b and c are independent. if the probability of successfully working for 8
You are planning to test a vaccine for a virus that has no vaccine. Since the disease is usually not serious, you will expose 100 volunteers to the virus. After some time, you will record whether or not each volunteer has been infected.
A study of long-distance phone calls made from the corporate offices of General Electric revealed the length of the calls, in minutes, follows the normal probability distribution. The mean length of time per call was 5.2 minutes and the standard ..
The amount of corn chips dispensed into a 10 ounce bag by the dispensing machine has been identified at possessing a normal distribution with a mean of 10.5 ounces and a standard deviation of .2 ounces.
Department store accepts three types of credit cards, MasterCard, Visa, and their own store card. Charges are normally distributed. A random sample of 18 credit card purchases included 6 MasterCard
Events A and B are mutually exclusive events defined on common sample space. If P (A) 0.5 and P (A or B) = 0.70, determine P (B).
suppose someone gives you 9 to 2 odds that you cannot roll two even numbers with the roll of two fair dice. this means
find the joint probability density of the two random variables x and y whose joint distrubution function is given by fx
Report the test statistic and p-value. What is your decision and conclusion? State any assumptions you have made. Are these assumptions satisfied with these data?
an experiment was conducted to determine the performance of two varieties of wheat at seven randomly chosen
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