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The Bureau of Labor Statistics reported that the mean amount spent per year by all American citizens on tobacco products and smoking supplies was $308. The Bureau wants to estimate the mean amount spent on tobacco products by American Latinos. assume the standard deviation is known to be $117. How many people should the Bureau sample in order to estimate the mean amount spent by American Latinos to within $12, if they want to be 90% confident in thier interval?
A standard deviation of 1.5. The distribution is normal. What proportion of faculty consume an amount between 4 & 6 cups?
question kelson sporting equipment inc. makes two different types of baseball gloves a regular model and a catchers
If employee is chosen at random, determine the probability that employee is female and salaried staff? Choose the best answer from the following.
Make up a scatter diagram with 10 dots for each of the following situations: (a) perfect positive linear correlation, (b) large but not perfect positive linear correlation,
question consider the hypothesis test given byho mu 670ho munbspne 670 in a random sample of 70 subjects the sample
An elementary school principal would like to know how many hours the students spend watching TV each day. A sample of n = 25 children is selected, and a survey is sent to each child's parents.
Scores are whole values. The top 3% receive $500.00. what is the minimum score you would need to receive this award?
Given the same sample mean and the same sample size which confidence interval estimate would be larger and why: One with a 90% confidence level or one with a 95% confidence level?
in the biomedical engineering field a study of coronary artery disease had three possible partitioning events b1 the
two points are selected at random independentlyand uniformly along a 1-meterlong stick and the stick is broken at the
Registration process takes, on average, 2 minutes per patient. Among patients who get prescriptions, average time spent with doctor is 5 minutes. Among those admitted to hospital, average time is 30 minutes.
Identify and briefly discuss two important concepts ( Prediction and Regression/ Correlation or Regression) applicable to analytical methodology.
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