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A storage warehouse in a relatively remote part of a county is protected by a homemade burglary detection system. Once actuated by an intruder, the system sounds a horn and flashes a light for 15 minutes, then saves battery power by shutting down and resetting itself until the next intrusion is detected. Police in three patrol cars have this part of the county as one of their responsibilities, and they routinely drive by the warehouse facility during the hours from dark to dawn.
On average, a patrol car passes the warehouse every 20 minutes, and the time between patrol car arrivals is exponentially distributed. It's the middle of the night and a burglar has just broken into the storage warehouse and set off the alarm. What is the probability that the alarm will shut off before the next police patrol car drives by?
If the test is to be carried out at α = 0.05, what will be the power of the test if the true percentage of female top executives is 4%?
Find the standard error of mean. Also establish an interval estimate around the sample mean using one standard deviation of the mean.
Suzie's Sweatshirts is a home-based company that makes upscale, hand painted sweatshirts for children. Forecasts of sales for the next year are Autumn: 125
a manager was interested in studying whether voicemail response times are the same for women and men at his company. he
A microwave oven repairer says that the mean repair cost for damaged microwave oven is less than $90. You work for the repairer and want to test this claim.
Project was estimated by using ADM/PERT analysis. Due to extensive length of project many activities were combined; Following is the result.
Calculate the variance of his annual income and calculate the coef?cient of skewness of his annual income.
rc-cars purchases batteries which they include with their remote control cars for sale to the consumer. bill the owner
The sample service times (in minutes) are 5.2, 7.5, 4.8, 11.4, 9.8, 10.5, 8.2, 11.0, 12.0, 8.5. Find the total expected loss per customer. If the restaurant expects 2000 customers monthly, what is the expected monthly loss?
Sullivan Statistics Survey: Deficit Reduction In the Sullivan Statistics Survey, respondents were asked, "Would you be willing to pay higher taxes if the tax revenue went directly toward deficit reduction?" Treat the respondents as a simple rando..
Suppose a friend of a friend claimed to have ESP and agreed to sit just on time and guess at 100 cards. Suppose she made 36 matches. Calculate the probability of this many, or more, matches if only chance is at work, and carefully write a conclusion.
Conduct a descriptive analysis on any 2 interval/ratio variables - Conduct 3 different hypothesis tests of your choice using appropriate variables from the file.
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