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What if the number of debilitating network viruses detected in a day at the firewalls of an Internet service provider within a certain geographic region is fueling a possible management decision to upgrade the detection system. The decision will be made based on the results of the following data analysis. This mean number of network viruses detected in a day is 2.5. What is the probability that in any given day:
1) Zero network viruses will be detected?
2) Exactly one network virus will be detected?
3) Two or more network viruses will be detected?
4) Fewer than three network viruses will be detected?
Can you please explain and show me the work of how you came to the answers?
Five cards are drawn from an ordinary deck without replacement. Find the probability of getting:
A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information.
The probability that a new advertising campaign will increase sales is assessed as being 0.60. The probability that the cost of developing the new ad campaign can be kept within the original budget allocation is 0.50.
Give an example for each of the following distributions, binomial, hypergeometric, and Poisson. Explain the differences and different characteristics.
Determine what analysis would you do on each problem (ie, one-sample z-test, one-sample t-test, proportion test, two-sample independent t-test, or paired test)?
Atlanta Company stock is expected to follow an exponential growth rate. The relationship between the current stock price P0
mean is calculated for each sample, then the average distance between M and u would be:
The event "the price of stock X has increased and the price of stock Y has not increased" may be written as??
You are the general marketing manager of Ford Motor company. The CEO of the company asked you to assess the viability of producing alternative fuel automobiles (ex, ethanol).
A processor of carrots cuts the green top off each carrot, washes the carrots, and inserts six to a package. Twenty packages are inserted in a box for shipment. To test the weight ofthe boxes, a few were checked.
The following data shows the service ratings for eight ramdomly selected small ships, eight randomly selected large ships. All ships are rated on a 100-point scale, with higher valuse indicated better service (traveler Feb 2003)
Estimate with 95% confidence the mean reduction in time it takes for someone who has taken the sleeping pill to fall asleep.
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