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"Two processes are utilized to produce forgings used in aircraft wing assembly. Of 200 forgings selected form process1, 10 do not conform to strength specs, while 300 forgings selected from process 2, 20 are nonconforming.
a) Evaluate fraction nonconforming for each process.b) Test hypothesis that two processes have identical fractions nonconforming. Use a = 0.05.c) Create the 90% confidence interval on difference in fraction nonconforming between two processes.
Describe the optimal solution to a linear programming problem. comprise the following constraints from a two -variable linear program.
A local university administers a comprehensive examination to the recipients of a B.S. degree in Business Administration. A sample of 5 examinations are selected at random and scored. The test scores are 56, 85, 65, 86, and 93. At 98% confidence, ..
What are the limitations and assumptionbs of the t-test? What are some examples in your field (Nursing) for which you might use a t-test to compare a sample to the population and why?
Please explain the difference between confidence interval and significance level and how they interact or "influence" each other.
Define the terms parameter and statistic. Be sure that the concepts of population and sample are included in your definitions.
The following data show levels of fertilizer use (lbs) and wheat yield (bushels) on repeated trials on a six acre plot.
Find the probability that exactly 15 flights arrive on time.
Use the hypergeometric formula to find this probability. The lottery commission also pays if a contestant matches 4 or 5 of the 6 winning numbers. Hint: Divide the 44 numbers into two groups, winning numbers and nonwinning numbers.
Prepare a scatter plot and Interpret the meaning of slope, b1, in this problem
Suppose you manage Tennessee Grilled Pork, a fast food restaurant specializing in pork sandwiches and pork chops on a stick. You have decided to build a new restaurant and have 2 possible site locations
Evaluate the area under the standard normal curve that lies to the left of z = - 3.49 and simple random sample of size
The annual precipitation amounts in certain mountain range are normally distributed with a mean of 88 inches, and a standard deviation of 10 inches.
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