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Four different kinds of radar systems, designed to detect or monitor the airspace around a major airport for high flying objects, low flying objects, runway traffic, and wind shear, operate independently. If each system has probability 0.90 of functioning correctly, find the probability at least one radar system will fail.
Within each of your current careers/ jobs, there are sets of data that can be analyzed. For example, a teacher can use a set of test scores, a dietician can analyze a set of patient weights and correlate them to incidences of diabetes, and a sales..
Find the area under the normal distribution curve to the right of z = -1.03.
Discuss the main assumption for using a chi-square test. Find a research article that uses chi-square and explain why it was the right test and how the assumption plays into it.
a new computer virus attacks a folder consisting of 200 files. each file gets damaged with probability 0.2
A compute manufacturer is about to unveil a new,faster PC.The new PC is faster but intial tests incidcate there is more variation in the processing time.
Seeds that germinated within 5 weeks after planting was recorded for each seed type. At the .01 level of significance, is the proportion of seeds that germinate dependent on the seed type?
A purchasing agent for a national chain of seafood restaurants wants to estimate the mean weight of shrimp in a large catch. How many shrimp should be sampled from the catch to be 95% confident that the sample mean will be off from the actual mean we..
Under ordinary traffic conditions. What is the probability that a single car chosen at random will travel through the tunnel in 10 minutes?
Use a P-value to test the claim about the population mean using the given sample statistics. State your decision for a=0.05. Claim: mean does not = 230
Test hypothesis that both propellants have same mean burning rate. Utilize α=0.05. Compute the P value.
Assume 1.5% of antennas on new Nokia cell phones are imperfect. For random sample of 200 antennas, determine the probability that: None of the antennas is defective.
Was there any difference in the nurses' preference in brand (α = 0.05)? Show all necessary components of a full hypothesis test, including a source table.
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