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The Better Business Bureau settles 75% of complaints it receives involving new car dealers. Suppose a sample of 160 complaints involving new car dealers is selected. Find the probability that Better Business Bureau settles less than 124 of these complaints.
Prepare a report using the numerical methods of descriptive statistics presented in this module to learn how the variables contribute to the success of a motion picture.
this assignment requires a considerable amount of computer work and written comment. you may need to seek guidance from
Find the mean, variance, and standard deviation of the binomial distribution with the given values of n and p n=127 p=0.58
A sales man normally closes on 80% of his presentations. Assuming the presentations are independent, find the probability of each of the following: a) he fails to close for the first time on his fifth attempt, b) he closes his presentation on his fou..
Measure of a patient's ability to expel air from the lungs
Scorekeeper, Inc., manufactures stadium scoreboards. Illustrates the demand for Scorekeeper's scoreboards over the past 25 days. The mean of the daily demand is 6 units. Calculate the standard deviation for daily demand. Assume in this case that th..
Compute the mean median, and mode
An instructor at Arizona State University asked a random sample of eight students to record their study times in a elementary statistics course. She then made a table for total hours studied over 2 weeks and test scores at the end of the 2 weeks. Her..
Draw the activity network for this problem and determine the Expected Times and determine the activity schedule (ES, EF, LS, and LF) as well as slack.
A study of college football games shows that the number of holding penalties assessed has a mean of 2.3 penalties per game and a standard deviation of penalties per 1.1 game. What is the probability that, for a sample of 40 college games to be played..
A few days ago you answered a question I had on probability. The original equation was R(t)=a^(-bt). In your answer you changed it to R(t) = a* e^(-bt). Can you explain why you added the e?
A flange bolt wears out because of fatigue in accordance to lognormal distribution with MTTF = 10.00 hr and s =2.00. If preventive maintainance consists of periodically replacing the bolt, what is the reliability at 550hr with and without pre..
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