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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Problem: Pick a mental health/behavioral disorder or issue that typically presents in childhood or adolescence.
Carl Rogers identified active listening, unconditional positive regard, and accurate empathy as core conditions for successful helping relationships.
Discuss why researchers generally try to ensure that the participants in the comparison group are similar, as much as possible, to the participants
write a HPI for an Initial Psych intake based on these information: Patient comes in for an initial evaluation for medication management of past psych history
state of Georgia frequently mandates specific rehabilitative services during sentencing to address the underlying behavior of substance abuse.
Research Questions: How does social media influence interpersonal communication among different age groups?
Question: How did the Great Depression impact people psychologically? More people were admitted into mental hospitals.