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1. A recent study reported that the prevalence of hyperlipidemia (defines as total cholesterol over 200) is 30 % in children 2 to 6 years old of age. If 12 children are analyzed. a) What is the probability that at least 3 are hyperlipidemia? b) What is the probability that at exactly 3 are hyperlipidemia? c) How many would be expected to meet the criteria for hyperlipidemia? 3. Total cholesterol in children age 10 to 15 is assumed to follow a normal distribution with a mean of 191 and a standard deviation of 22.4 a) What proportion of children 10 to 15 years of age have total cholesterol between 180 and 190? b) What proportion of children 10 to 15 years of age would be classified as hyperlipidemia? Assume that hyperlipidemia is a total cholesterol level of 200 over. 6. A study is conducted to assess the impact of caffeine consumption, smoking alcohol consumption and physical activities on cardiovascular disease. Suppose that 40% of participants consume caffeine and smoke. If 8 participants are evaluated what is the probability that. a) Exactly half of them consume caffeine and smoke? b) More than 6 consume caffeine or smoke? c) Exactly 4 don not consume caffeine or smoke? 10. Diastolic blood pressure are assumed to follow a normal distribution with a mean of 85 and standard deviation of 12 a. What proportion of people have diastolic blood pressure less than 90? b. What proportion of people have diastolic blood pressure between 80 and 90?
HYPOTHESIS TESTING AND CONFIDENCE INTERVALS
Satisfy the stochastic difference equation
Rob rales is preparing a report that his employer will eventually deliver to the FFA. First, the report must be approved by both of his two supervisors. Each of these supervisors acts independently in the review of these reports. Supervisor A ..
Develop a Pareto chart to identify the more significant types of rejection.
What are CA Technologies' core competencies in enabling it to maintain a leadership position in the market? Discuss how these competencies evolve over time along with the waves of technology changes. Define Cloud Computing and discuss whether it is d..
Nonlinear regression. The following data gives the distance from the sun (in millions of miles) and the length of year (in earth years) for the traditional 9 planets in the solar systems (including pluto, which is technically a dwarf-planet as..
Can the company rely on the fact that the strength of the chemical is identical from batch to batch and from barrel to barrel and what is the mean strength of the chemical in these stored barrels? How prccisc is that estimate?
What statistical test should be used to analyze these data - How can internal and external validity be increased in an experiment and briefly describe the type of information that should be in an introduction.
Consider Mary''s study of whether the learning of 6th graders on a math lesson is affected by background noise level. Describe the pros and cons of Mary using a repeated measures design for this study. What would you probably choose to do? Support yo..
An astronomer at the Mount Palomar Observatory notes that during the Geminid meteor shower, an average (?) of 50 meteors appears each hour, with a variance (σ2) of 9. The Geminid meteor shower will occur next week.
A certain printer cartridge has demonstrated a mean time usage of 9 hours and a standard deviation of 22 minutes. What time usage guarantee (in hours) should the manufacturer advertise in order to ensure that only 4% of the cartridges fail to ..
Expansion Plan Demand Growth
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