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Which of these bands are American Heavy Metal Bands? (You may choose up to 5 correct answers)

Dr. Cooper is interested in the amount of time adolescents spend in after-school activities. She decides to start with a group of 13-year-olds and follow them until they are 18 years old. She intends to meet with them at three different intervals over the next 6 years. Which research design is Dr. Cooper using?

BMW produces cars exclusively for high-income customers. Which of the following strategies is BMW pursuing? 

George works as the human resource manager at Maddy’s Confectionaries. It was mandatory for his subordinates to obtain his signature on every document related to the hiring of a new employee. When he realized that this was increasing the duration of the hiring process, he told his subordinates that they no longer needed his signature unless the hire involved extraordinary circumstances. This is an example of: 

The probability of a conditional event is the probability of a certain thing given that something has already occurred.

Solve the problem.The following confidence interval is obtained for a population proportion, p: 0.689 < p < 0.723. Use these confidence interval limits to find the margin of error, E.

Suppose we have a direct mapped byte addressable cache of size 64 byte. The cache access pattern is the following: 0, 3, 4, 5, 8, 0, 4, 8.  What is the miss rate when block size is 2 bytes?

Assume a disk subsystem with the following components and MTTF: • 10 disks, each rated at 1,000,000-hour MTTF• 1 ATA controller, 600,000-hour MTTF• 1 power supply, 100,000-hour MTTF• 1 fan, 400,000-hour MTTF• 1 ATA cable, 2,000,000-hour MTTF Using the simplifying assumptions that the lifetimes are exponentially distributed and that failures are independent, compute the MTTF of the system as a whole.

Which of the following statements are true regarding Integrated Circuit (IC) cost analysis? 

Assume that X has a normal distribution, and find the indicated probability.The mean is μ = 15.2 and the standard deviation is σ = 0.9. Find the probability that X is greater than 15.2.