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Kalo Fertilizer Company produces the fertilizer using two chemicals which give nitrogen, phosphate, and potassium. A pound of ingredient I contributes 10 ounces of nitrogen and 6 ounces of phosphate, where as a pound of ingredient 2 contributed 2 ounces of nitrogen, 6 ounces of phosphate, and 1 ounce of potassium. Ingredient 1 costs $3 per pound, and ingredient 2 costs $ 5 per pound. Company wishes to know how many pounds of each chemical ingredient to put into the bag of fertilizer to meet minimum needs of 20 ounces of nitrogen, 36 ounces of phosphate, and 2 ounces of potassium during minimizing cost.
Findout the value of X using normal distribution which gives standard deviation also mean. A math teacher gives two different tests to measure students' aptitude for math.
Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.
A local health care company wants to estimate the mean weekly elder day care cost. A sample of 10 facilities shows a mean of $250 per week with a standard deviation of $25. What is the 90 percent confidence interval for the population mean?
A local politician in this town has stated that the average property taxes are $1800 and most people do not pay more than this amount. Conduct a test at the alpha = .01 level to determine if this is true. For this test, consider a sample size of 3..
At 5% level of significance, does this sample prove violation of guideline that average patient must pay no more than $250 out of pocket?
Once again, suppose that the standard deviation of the average or median is $5.00. Which is the probability that the average or median of the sample is greater than $22.50 but less than $25.00?
Let independent variable x represent years since 1950. Determine quadratic regression model for per capita cigarette consumption.
In a class roster of 18 students, what are the chances that there are at least 2 people with the same birthday (same day, not same year)?
In textile industry, a manufacturer is interested in the number of blemishes or flaws occurring in each 100 feet of material. Of the following probability distributions, the one that most applies to this situation is the.
A federal bank examiner is interest in estimating the mean outstanding defaulted loans balance of all defaulted loans over the last three years. Calculate a 90% confidence interval for the mean balance of defaulted loans over the past three years.
Below are bowling scores for several UMUC statistics professors. Based on output from ANOVA, who is the better bowler (for those of you who don't bowl, a numerically higher score indicates a better score)?
Estimate the probability the store will gross over $850 a) At least 3 out of 5 business days.
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