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Lewis earned 85 on his biology midterm and 81 on his history midterm. In the biology class the mean score was 79 with standard deviation 5. In the history class the mean score was 76 with standard deviation 3.
a) Convert each midterm score to a standard z score.
b) On which test did he do better compared to the rest of the class?
Conditional and compound probabilities.The table below gives the distribution of blood types by gender in a group of 1000 individuals.
Could mud-wrestling be the cause of a rash contracted by University of Washington students in the spring of 1992? Two physicians at the University of Washington health center wondered this when one male and six female students complained of rashes..
If probability the first truck is available is= .75, probability the second truck is available is= .50, and probability both are available is= .30, determine the probability which neither truck is available?
Determine the probability that no female are hired. Determine the mean and standard deviation of X.
Assess the model fit for the multiple linear regression model using appropriate statistics and graphics.
Compare two month moving average also exponential smoothing using MAD. The subsiquent data represents demand for company ABC's products for the last 10 months.
Can we compute the mean length of stay of workers at the company differs from the mean length of stay at that dangerous industry.
Among 500 freshmen pursuing a business degree at a university, 347 are enrolled in an economics course, 204 are enrolled in a mathematics course, and 160 are enrolled in both an economics and a mathematics course.
What is the probability of receiving more than three pieces of junk mail today?
At the 5 percent level of significance, can we conclude that the mean weight is greater than 16 ounces? Determine the p- value.
The dimension is supposed to be 224 mm and the variability of the manufacturing process is unknown. Is there evidence that the mean dimension is not 224 mm?
LPP using the graphical method. Solveout the following linear programming problem utilizing the corner point method.
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