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Historical data for local steel manufacturing company illustrates that average number of defects per standard sheet of steel is 2. Additionally, number of defects per unit is distributed according to Poisson distribution. Batch has just been completed. Determine probability that first three units manufactured in this batch will contain at least total of 4 defects?
The cost for the conference room, instructor compensation, lab assistants, and promotion is $9,600. Micromedia rents computers for its seminars at a cost of $60 per computer per day. Question: find the breakeven point for this problem using Excel.
Compute the following linear programming problem and describe the special case of a linear programming problem in which.
Perform a significance test to assess whether there is an association between mortality from cirrhosis of the liver and duration of employment in the group hired after 1945. Report a p- value.
An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of 6.0 emails per hour. Assume the arrival of these emails is approximated by the Poisson distribution.
A Private firm reports that 8% of the 2 million small businesses who apply for loan each year receive special interest rate (usually higher than market rate) because of high riskiness associated with small business.
Findout the margin of error for this survey if we want a 99 percent confidence in our estimate of the percent of adults over 50 who take vitamin supplements.
The Acme School of Locksmithing has been accredited for the past 15 years. Discuss how this information might be interpreted as a
Labor negotiations estimate that 30 percent of all major contract negotiations result in a strike. During the next year, 12 major contracts must be negotiated. Determine the following probabilities.
A tire company made a sampling distribution on one of its brands of tires and determined that the tire had a mean life of 56,000 miles with a standard deviation of 18,100 miles.
Probability based on normal distribution. Suppose among X has a normal distribution, and find the indicated probability.
Suppose n progeny are to be examined, and let P^ be the sample proportion of purple-owered plants. It might happen, by chance, P^ that would be closer to 1/2 than to 9/16. Find the probability that this misleading event would occur if:
Construct a 95 percent confidence interval for the true mean.
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