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The probability of getting a big order currently under negotiation is 0.32. The probability of losing money this quarter is 0.54.
a. Assume that these are mutually exclusive events. Find the probability of getting the order or losing money this quarter.
b. Again assume that these are mutually exclusive events. Does this rule out the possibility that you fail to get the order but nonetheless make money this quarter?
c. Now assume instead that the events "get the order" and "lose money" are independent (since the order will not show up in this quarter's financial statements). Find the probability of getting the order and losing money.
d. Now assume instead that the probability of getting the order and losing money is 0.1. Are the events "get the order" and "lose money" independent? How do you know?
Calculate the value based on this information. A new screening test for Lyme disease is developed for use in the general population. The sensitivity (ability to identify infected persons) is 60% and specificity (ability to identify non- infected p..
A manufacturer of exercise bicycles is studying the relationship between the number of months an exercise bicycle has been owned and the length of time it was used last week. Data for a random sample of 7 owners are provided in the table below
Professors at a local university earn an average salary of $80000 with a standard deviation of $6000. The salary distribution is approximately bell-shaped. What can be said about the percentage of salaries that are at least $74,000
What is the probability that the random variable has a value between 0.6 and 0.8
If the slope of a straight line is 2.3 and correlation coefficient is 0.777, calculate coefficient of determination.
It is now noon and the most recent call came in at 11.35AM.What is the probability that the next call will arrive before 12.30PM? What is the probability that there will be exactly two calls during the next hour?
What is the expected waiting time? What is the variance?- What is the probability that the wait will be between four and six minutes?
In Dallas, some fire trucks were painted yellow (instead of red) to heighten their visibility. During a test period, the fleet of red fire trucks made 153,348 runs and had 20 accidents, while the fleet of yellow fire trucks made 135,035 runs and had ..
Thrills. People who responded to a July 2004 Discovery Channel poll named the 10 best roller coasters in the United States. The table below shows the length.
(a) Give an example where Sn converge a.s., but are not L1-bounded. (b) If |X j |≤ 2 a.s. for all j , and Sn converges a.s., show that Sn converges in L2. Hint: Use the three-series theorem (9.7.3).
The data are shown below. Generate a 95% confidence interval for the difference in mean HDL levels between men who exercise regularly and those who do not.
suppose that a telephone solicitor for a particular charity makes 10 random calls. she estimates that there is 20
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