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Problem: Let X be a random variable representing the amount of water in litres used (lavatory, drinking and hand washing) by individual staff at JKUAT per day. Suppose that X ~ N(17,16) and that a sample size 45 is taken from the distribution.
Question 1: Find the percentage staff member randomly selected from the sample, he/she consumes between 14 and 16 litres.
Question 2: Find the proportion that the mean consumption of this sample exceeds 21 litres?
Construct the Bonferroni 95% confidence intervals for all pairwise comparisons and draw a graph to represent the results.
Instead, the person reveals that a red marble was chosen. What is the probability Box I was chosen?
A psychologist is interested in knowing whether adults who were bullied as children differ from the general population in terms of their empathy for others.
What would you predict the price per share to be if 95 million shares were offered?
Make a worksheet in Excel for your calculations. (b) Make a histogram of the data. Would you be justified in using a parametric t test that assumes normality?
What did the Emancipation Proclamation do? Name and list all of them?
A 15-minute Oil and Lube service claims that their average service time is no more than 15 minutes. A random sample of 35 service times was collected, and the sample mean was found to be 16.2 minutes, with a sample standard deviation of 3.5 minute..
Run a regression of Y on X in Excel and turn in the output with a note explaining what the coefficients {correlation coefficient (multiple R), standard error, t-statistic and F-statistic} mean.
Calculate the percent of total deaths from each cause, and display the results in a pie chart. From the death rate (per 100,000 population) for heart disease, calculate the population for Minnesota for the year 1991.
A process is out of control when:
one of dotcoms products has a width dimensional specification of 1.488 plusmn .005 inches. the process is in
Trying to figure out the number of configurations of license plates with 6 characters using a-z and 0-9.
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