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The 2007 Working Group on California Earthquake Probabilities reported that "the likelihood of [an earthquake in California] of magnitude 7.5 or greater in the next 30 years is 46%." The report noted that "[t]he final forecast is a sophisticated integration of scientific fact and expert opinion" (source: https://pubs.usgs.gov/fs/2008/3027/fs2008-3027 .pdf).
Explain whether the figure of 46% is based on personal probability, long-run relative frequency, physical assumptions about the world, or some combination.
Find out which (t-, z- or neither) distribution is suitable Then if you can utilize either a t- or z- distribution, provide associated critical value (critical t- or z- score) from that distribution to reach given confidence level.
A random sample of 16 pharmacy customers showed the waiting times below (in minutes). Find a 90 percent confidence interval for μ, assuming that the sample is from a normal population.
1.Cranberries can be harvested using either a wet method or a dry method.
a simple random sample of 40 items resulted in a sample mean of 25. the population standard deviation is 5.a. what is
Is the strict preference relation amassing the greatest number of Condorcet points unique? If yes, prove this claim. If no, present a counterexample.
What is the approximate probability that someone asked to pick a number from 1 to 10 will pick one of the two extremes, 1 or 10?
Out of 1000 people surveyed, 600 belonged to urban areas and rest to rural areas. Among 500 who visited other states , 400 belonged to urban areas. Test 5 % level of significance whether area and visiting other state are dependent.
The correlation coefficient was .56 (and statistically significant). Does given finding provide support for the idea that playing violent video games increases aggression? Explain your answer.
if there are 50 nurses in a nursing home how would you randomly select 10 of them to participate in your study? please
Find the smallest possible premium for each, such that there is a probability of at least 0.95 that the total premiums will cover the total benefits on both contracts.
Compute the probability that this chip is red. Relative to the hypothesis that the chip is red, find the conditional probability that it is drawn aom bowl II.
question 1 given a binomial random variable with n10 and p .3 use the formula to find the following probabilitiesapx
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