Randomly chosen and number of on time
According to an airline, a specific flight is on time 91% of the time. Assume 49 flights are randomly chosen and the number of on time flights is recorded. What is the probability that between 42 and 44 flights, inclusive are on time?
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An unbiased estimator will have a value, on average, that is equal to the value of the population parameter it estimates, regardless of sample size. True or False?
A 95% confidence interval for mean, µ, of a population computed from a random sample is found to be 9 ± 3. Based on this, which of the following statements is true?
If we had 6 red balls and 6 green balls(all enumerated), and if we were randomly picking the pair of those balls, the probability of having 3 pairs of red balls only would be computed by the following formulae: (6!/((2!)^3 3!)^2 / (12!/((2!)^6 6!)
The metropolitan area of Los Angeles-Long Beach, California, showed the largest increase in the number of jobs between 1986 and 2001. The number of jobs increased from 5,147,400 to 6,290,500. What was the geometric mean expected yearly rate of in
You survey 300 people and find out that 80 of them don't have siblings. Is this significantly different from 25% know for the US average? Find out the z* value that you will employ to test this question. Provide your answer as 0.XX
You survey 300 people and find that 75 of them have been to the concert in the last year. You want to compare this to 10% value known for US population. What test will you use:
How many different orderings of the top 4 would be possible (order does matter)?
A real estate agent compares selling prices of homes in two municipalities in southwestern Pennsylvania to see if there are differences in price. The results of the study are shown below. How would you calculate a p value?. Use the alpha of 0.01
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In the advanced stages of Alzhemier's disease is a phenomenon called "sundowner syndrome" occurs in which cognitive disturbances tend to:
In contrast to patients with Azheimer's type dementia, patients with vascular dementia are more likely to have symptoms such as:
Question: What is the difference between a Systematic Review and a Clinical Practice Guideline?
The DNS and nurse managers are reviewing the deficiencies that were listed in the last survey report. One of the nurse managers asks
The patient is a 19-year-old female who presents with the following symptoms which have been present for "years." She was raised by her mother
Which of the following is true regarding physical drug dependence? Withdrawal symptoms occur upon cessation of drug use.
Question: How would the nurse respond when a patient asks how to use a fentanyl patch at home? "