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The random variable X has a binomial distribution with parameters n=100 and p=0.10.What distribution model would be appropriate to use to calculate an approximate value for the probability P(X=10).Explain,calculate and show work.
Insurance policies ever have to pay out. You decide to test his claim at the a=0.1significance level. With a critical value of -2.33, compute the sample statistic.
Find the probability of getting a head and rolling a six
Explain in your own words how to recognize a situation where you needed to use a two-sample test. Give a unique example of a two sample test for proportion or mean. Make sure to detail why only a two sample test would suffice.
Senator Hayes is considering a a run for the U.S. presidency, but she is only 35 years of age, which is the minimum required age. While investigating this issue, she finds the ages of past presidents when they were inaugurated
A manufacturer wants to increase the shelf life of a line of cake mixes. past records indicate that the average shelf life of the mix is 216 days. after a revised mix has been developed, a sample of nine boxes of cake mix gave these shelf lives (i..
Compute test statistic for sample data that you would use to test whether sample mean varies from population mean of 10 pounds at a 5 percent level of significance in two-tailed test.
A sample of 25 concession stand purchases show a mean purchase of $5.29 with a standard deviation of $3.02. However, a later showing of the same movie, a sample of 25 purchases where the mean was $5.12 with a standard deviation of $2.14.
It has been determined empiracally that for a certain egg producer, the number of cracked or broken eggs X, in a randomly slected box containing six eggs, follows approximately the distribution given in the table below:
Suppose the population standard deviation is 350 kilowatt hours. Determine the standard error of the mean. With a .95 probability, determine the margin of error.
Find the system reliability for each of the following.: (b) Which has the higher reliability? How could you configure a system of such relays to bring RS(t) up to 0.999?
What conclusions can you draw about the nature of the relationship between anxiety and exam performance?
Pretests, posttests and threats to internal validity and please discuss all threats to internal validity.
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