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Question: Vitamin C content Several years ago, the U.S. Agency for International Development provided 238,300 metric tons of corn-soy blend (CSB) for emergency relief in countries throughout the world. CSB is a highly nutritious, low-cost fortified food. As part of a study to evaluate appropriate vitamin C levels in this food, measurements were taken on samples of CSB produced in a factory. The following data are the amounts of vitamin C, measured in milligrams per 100 grams (mg/100 g) of blend, for a random sample of size 8 from one production run:
26 31 23 22 11 22 14 31
Construct and interpret a 95% confidence interval for the mean amount of vitamin C μ in the CSB from this production run.
A random sample of 1001 University of California faculty members taken in December 1995 was asked, "Do you favor or oppose using race, religion, sex, color, ethnicity or national origin as a criterion for admission to the University of California?
the number of traffic accidents in a city during one hour follows a poisson distribution with mean 3 accidents per
Smoking in the United States. An August 2007 nationwide random survey of 1012 adults asked whether they had smoked cigarettes in the last week.
a total of 1232 students have taken a course in spanish 879 have taken a course in french and 114 have taken a course
What are the advantages and disadvantages of the standardized p-chart as compared to the regular proportion-nonconforming chart?
If we are hashing n keys into a hash table with k locations, what is the probability that every location gets at least one key?
Use a visual display to a categorical variable with four classifications. Which one would you use - the bar chart, the pie chart, or the pareto diagram? Explain"
Obtain the margin of errors for both part a and part b. Explain why the margin of error obtained in part b is larger than that in part a.
Generate a random sample of six observations of the process over a period of one week.- Use a computer, a calculator, or a random number table to generate the six observation times.
Calculate the z-test statistic to test the difference in SAT math scores from students in Delaware and New jersey. A sample of 45 students from Delaware had an average score.
Find the given probabilities for X = pulse rates of women, for which the mean is 75 and the standard deviation is 8. Assume a normal distribution.
Fruit flies. The length of the thorax in a population of male fruit flies is approximately Normal with mean 0.800 millimeters (mm) and standard deviation 0.078 mm. Use the 68-95-99.7 rule to answer the following questions. (Start by making a sket..
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