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1. A hardware store chain has just received a truck- load of 5000 electric drills. Before accepting the shipment, the purchasing manager insists that 9 of the drills be randomly selected for testing. He intends to measure the maximum power consumption of each drill and reject the shipment if the mean consumption for the sample is greater than the 300 watts listed on the product label. Unknown to the purchasing manager, the drills on the truck require an average of 295 watts, with a standard deviation of 12 watts. Stating any additional assumptions you are using, find the probability that the truckload of drills will be rejected.
2. The tensile strength of spot welds produced by a robot welder is normally distributed, with a mean of 10,000 pounds per square inch and a standard deviation of 800 pounds per square inch. For a simple random sample of n 5 4 welds, what is the probability that the sample mean will be at least 10,200 pounds per square inch? Less than 9900 pounds per square inch?
compare and contrast leadership development interventions with career development interventions. in what areas and
Suppose that an individual is randomly selected from the population, and define events by A = {type A selected}, B = {type B selected}, and C = {ethnic group 3 selected}. Calculate P(A), P(C), and P(A ∩ C). (Enter your answers to three decimal plac..
a may 2007 gallup poll found that only 11 of a random sample of 1003 adults approved of attempts to clone a human.find
Suppose that students in a particular school are all very competent. For each individual, the probability that they will pass the proficiency exam (independent of thier classmates) is 0.99
a report says that the between-subjects factor of participants salary produced significant differences in self-esteem.a
a manufacturer of semiconductors has a 10 defect rate in the semiconductors produced. every hour fifteen
Write a sample result section, discussing your data screening activity (this section should be in APA format).
construct a frequency distribution table for these data. what type of graph would be appropriate to show the frequency distribution for these data?
What is your conclusion based on both the p-value and critical-value approaches and what is the p- value, and what is your conclusion?
Carden's Carbonated Drink Company produces soft drinks in two litter containers that contain an average of at least 67.6 fluid ounces. Since both overfilling and underfilling the containers is unsafe the safety inspector wants to test the producti..
the boston public school district has had difficulty maintaining on-time bus service for its students a year later
inter arrival time of busses of route 49u of milwaukee bus system follows an exponential distribution. the probability
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