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Incredible indelible ink company mixes three additives, A1,A2, A3 to a base in different proportions to obtain different colors of ink.
Red ink is obtained by mixing A1, A2, and A3 in the ration of 3:1:2, blue ink in the ratio of 2:3:4, and green in the ratio of 1:2:3.
After these additives are mixed, an equal amount of base is added for each color. The company currently has 1000 gallons of A1, 1500 of A2, 2000 of A3, and 4000 of base. Given that the selling price per gallon for each type on ink is the same, formulate a LP model to determine how these resources should be used to obtain the maximum revenue.
1. (45 points) Use the "Female Bears Data." Data from n = 19 female bears of varying ages are used to develop an equation for estimating Y = female bear's weight from X = female bear's neck circumference.
if 3 different factor levels show a lot of variation between levels this impliesa a large amount of error within each
A random sample of 41 basketball players from The Official NBA Basketball Encyclopedia gave the sample standard deviation for player height as s=3.32 inches.
Using the ten sample-mean values, estimate the mean of the population and the variance of x .
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.
where 1 = smooth-yellow, 2 = smooth-green, 3 = wrinkled-yellow, and 4 = wrinkled-green. Can the measures of variation be obtained for these values? Do the results make sense?
These data represent the ages of drivers and the number of accidents reported for each age group in Pennsylvania for a selected year. Find the equation of the regression line for the given data.
For the following, describe the target population, sampling frame, sampling unit and observation unit. Is there any selection bias or inaccuracy of responses?
use r to solve this question. scores made on a certain aptitude test by nursing students are approximately normally
Your friend tells you that the proportion of active Major League Baseball players who have a batting average greater than .300 is greater than 0.56, a claim you would like to test. The hypotheses for this test are Null Hypothesis: p ≤ 0.56, Altern..
A coin was flipped 100 times and came up heads 59 times and tails 41 times. The expected outcome was to land on heads or tails 50 times each.
describe the differences between correlations and regressions. can you describe situations where you would use one of
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