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Suppose that a certain college class contains 54 students. Of these, 34 are sophomores, 35 are psychology majors, and 7 are neither. A student is selected at random from the class.
Which two types of probability sampling are best suited for business research and statistical data analysis, and why?
Girl B throws 15 times, with a prob. of success = 0.2. And girl C throws 20 times, with a probability of success equal to 0.1. Determine the probability that the target will get hit at least 12 times.
A. Determine the regression equation. B. Determine the estimated sales if 40 contacts are made.
Evaluate your histograms for any outliers in your data. Based on your evaluation of outliers, you may trim no more than 1% of the data contained in the data set. This must be done symmetrically (i.e., trimming no more than 0.5% off the top and 0.5..
How is data screening related to the assumptions of the statistic you will choose to analyze your data?
A flour mill produces flour in small bags before distributing them to wholesalers. The average weight of each bags is 8 kg with a standard deviation of 0.5 kg.
Student team examined parked cars in 4 different suburban shopping malls. One hundred vehicles were studied in each location. Research question : At α = . 05.
If employee is chosen at random, determine these probabilities.The Employee smokes, The employees smokes, given that he/she graduated from college.
Below are revenue and profit (both in $ billions) for nine large entertainment companies.
If the probability distribution of X is: Determine the expected value of X? Find out the variance of X?
What do you find out when you perform the nonparametric statistics?
Muscular dystrophy is an incurable muscle-wasting disease. The most common and serious type, called DMD, is caused by a sex-linked recessive mutation. Specifically; women can be carriers but do not get the disease; a son of a carrier has probabili..
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