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When assigning probabilities of two simple events, can we assume that each event is always equally likely to occur and, thus assign .5 to each event? Could you provide an example in your explanation?
Demands for an item are part of a poisson process and are made on a warehouse 3 times per day. What is the probability that on a given day this item is requested:
Calculate chi-square for the cross-tab. Show your work. Is there a statistically significant relationship between these variables?
prevent coronary artery vasoconstriction and the attendant reduction in blood flow to the heart and mechanical function.
For the passengers in the SRS, what is the approximate probability that the mean length of time for them to get through security will be less than 18 minutes?
Below are scores for 10 randomly selected students on each exam. 95% confidence interval for the mean scores on?
For a sample of 11 independent observations from a normal distribution of unknown μ and unknown variance σ 2 , the sample mean is 74.6 and sample variance is 2.2. What is the lower point of the 90% confidence interval for μ?
Let X be the number of kings selected and Y the number of jacks selected. Find the joint probability distribution function.
How many data points can she use in a regression analysis using the data provided.
Identify the types of processes and analyses used in HR that use data analysis and evaluation. Discuss generally how statistics can be used in hiring, turnover, performance management, training, culture assessments, and other dashboard indicators ..
Testing for population mean - How would this information be useful to you if you were the college register?
Nancy believes that the average running time of movies is equal to 140 minutes. A sample of 4 movies was taken and the following running times were obtained. Assume the population of the running times is normally distributed.
In testing a new drug, researchers found that 20% of all patients using it will have a mild side effect. A random sample of 15 patients using the drug is selected. Find the probability that:
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