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Question: A random sample of five accidents resulted in the following number of persons injured: 18, 15,12, 19, & 21. Using the .01 significance level, can we conclude the population mean is less than 20 for all accidents? a) State Ho and Ha? b) Test statistic = ? c) Critical value = ?d) Reject Ho: (yes or no)
q1 a basketball coach claims that by taking a special vitamin a weight lifter can increase his strength. eight
The manufacturer of an airport baggage scanning machine claims it can handle an average of 530 bags per hour.
Nathan wants to approximate a binomial probability by normal curve areas. The number of trials is 50 and the probability of success for each trial is 0.95
Dr. Stallter has been teaching basic statistics for many years. She knows that 80 percent of the students will complete the assigned problems.
State the research question and statistical null and alternative hypotheses; and Explain why this test is appropriate and why the correlation, t-test, regression, or ANOVA is not appropriate.
Suppose the time spent by a randomly selected student who uses a terminal connected to a local time-sharing mini-frame computer facility. What are the values of alpha and beta?
1.i want to know which of two manufacturing methods will be better. i create 10 prototypes using the first process and
in a production process a product goes through one of the assembly lines a b or c and then goes through one of the
Read the data from the fictitious research study regarding diabetes and alcohol consumption, and analyze and interpret the results.
What signified to you on all of the problems that required a binomial distribution that you were to use a binomial distribution? Which problems required a binomial distribution?
with any statistical model we assess the fit. does the model accurately depict the truth? explain how standard
Can you please describe what I need to do to complete this? I do not understand how to plot the figures within the spreadsheet or calculate them.
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