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Recent research has suggested that adolescent drinking behaviors have escalated. Assume national statistics presume that only 14% of adolescents aged 13-17 engage in alcohol consumption. A sample of 58 participants in this age range is collected and 13 participants report consuming alcohol on a regular basis.
A) Can researchers carry out their analysis assuming an approximation to the normal distribution is acceptable?
B) Calculate the probability of observing the results witnessed in the sample.
C) Determine the mean and standard deviation for the distribution under the assumptions made in part A.
The probabilities that smoke detectors are functioning are randomly and independently distributed. What is the probability that exactly one smoke detector.
A certain hereditary disease can be passed from a mother to her children. Given that the mother has the disease, her children independently.
using a normal curve table give the percentages of scores between the mean and a z-score ofa 0.56b 0.57c 1.46d 1.56e
Explain Carl Cohen's argument against the use of animals in biomedical research
What is one share of this stock worth to you if you require a 10% rate of return on similar investments?
A marketing firm asked a random set of married and single men as to how much they were willing to spend for a vacation. At = .05, is a difference in the two amounts?
Sorry, no chi-square How do U.S. residents who travel overseas for leisure differ from those who travel for business? The following is the breakdown.
A marketing analyst wants to know the proportion of people who would be interested in purchasing his company new app, he took a random sample
What would be advantages and disadvantages of an organization's Human Resources department aligning its strategy with the overall organizational strategy?
green line a major discount stock brokerage in canada claims that customers calling in to make trades on the stock
Apply the goodness-of-fit test for normality at the 5% significance level. Do the sample data suggest that vacancy rates do not follow the normal distribution?
6,000 children in the experimental? group,73 developed the disease. Of 6,000 children in the control? group,119 developed the disease.
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