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It is believed that of the tea consumers at McCalister's Deli, 50% order sweet tea (event A), 40% request a lemon in their tea (event B) and 25% request sweet tea with lemon (both A and B). Find the probability that a randomly selected tea consumer
A) ordered unsweetened tea with no lemon?
B) Ordered sweet tea given that she did not request a lemon?
Determine pearsons correlation coefficient and comment on the value obtained. Obtain a regression equation representing the above data. Estimate the production batch size for a direct labour cost of R350-00.
the florida fruit supply company uses bottles that are labeled as containing 23 oz of orange juice. a random sample of
Find the 95% confidence interval of the mean score for all golfers if this is a sample of 110 golfers instead of a sample of 93.
Construct a 95% confidence interval for the population mean test score for high school seniors - difference between the fraction who preferred the incumbent and the fraction who preferred the challenger at the time of the survey.
1.a fourth grade teacher gives homework every night in both mathematics and language arts. the time to complete the
A random sample of eight adults aged 30 years were asked how much they spent on medical costs in the year 2011. The following data were measured. Compute the sample standard deviation.
As part of a study,investigators wanted to assess the accuracy of self reported smoking status. Participants are asked whether they currently smoke or not. In addition, laboratory tests are performed on hair samples to determine presence or absence o..
Use the Internet to find a website that shows an example or application correlation or regression in the area of your interest or in your profession. Discuss how correlation or regression was used and summarize your finding.
computing a two-independent sample t-test is appropriate when?a different participants are assigned to each groupb the
Make a scatter plot of Y and X1 using Word. To do this click on insert and then chart. Click on X Y (Scatter). Enter the data from the table.
say a random variable x is drawn uniformly from between 0 and 1. say that y sin2pix. what is the covariance between x
explain how we develop the regression equation and how we use it in the predictive process. what role does the standard
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