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A random sample of n = 36 measurements is selected from a population with mean equal to 5 and standard deviation 3. What is the probability that the sample mean will exceed 6?
What is the probability that: The amount requested is $80,000 or more?
Scenario 2: If the standard deviation is to remain at 0.05 ounces, what mean does the filling machine need to have to achieve this goal.
Describe the purpose of transforming raw scores into standard scores. Describe what "normal distribution" means.
The I.R.S. did an audit and found that the deposits usually come in at $1,000 on a daily basis. What is the confidence interval.
Describe the assumptions of normality and homogeneity of variance. When these assumptions are violated, what are your options?
Dr. Stallter has been teaching basic statistics for many years. She knows that 80 percent of the students will complete the assigned problems.
The average score, in the sample, was 84 with a sample standard deviation of 3.5. The 95% confidence interval for the average examination score of the population of the examinations is?
At the 0.05 level of significance, is there evidence to suggest that the population mean waiting time to check out is less than 10.73 minutes?
it is common in many industrial areas to use a filling machine to fill boxes full of product. this occurs in the food
given that z is a standard normal random variable what is the value of z to the left of z
Do a feasibility study to assess the likelihood of the project being completed and producing useful results. If possible, the feasibility study should contain some preliminary results (e.g. a pilot data set and initial data analysis).
What is the role of probability concepts in business decision making? Define probability concepts.
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