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From a survey of 100 college students, a marketing research company found that 653515 students owned iPods, owned cars, and owned both cars and iPods.
(a) How many students owned either a car or an iPod (but not both)?
______ students
(b) How many students do not own either a car or an iPod?
______students
Another teacher decides to average the height of all male students in all of his classes throughout the day. By the end of the day, he has measured the heights.
Summarize what the case is about, and what the variables represent. How would you apply confidence intervals? How would you apply hypothesis testing
a) Describe an appropriate model for the number of cider apples that may come from that tree. Justify your model.
What is the total probability? What does this mean? Can probability be less than 0; equal to 0; and more than 1. Justify with reasons
Loggers gathered information about some trees. The diameter is in inches, the height is in feet, and the volume of the wood is in cubic feet.
Graph the constraints, determine the points that make the feasible region and the optimal number of A and B. Show all calculations.
A sample of 8 jars has a mean of 15.6 ounces and a standard deviation of 0.3 ounce. Is there enough evidence to support the consumer's conjecture at a = 0.05? First, identify the alternative and the null hypotheses.
Can you explain the function of the two complementary aspects of statistical quality control: monitoring and adjustment?
eu european union countries report that 46 of their labor force is female. the united nations wants to determine if the
A promotion campaign is being planned to encourage people to reduce heat in their houses at night. In order to measure the campaign's impact, we want to determine the proportion of people who reduce their heat at night.
1. A clinical trial is conducted comparing a new pain medication for arthritis.
As the upper limit of normal are identified as abnormal. What percentage of values would fall in this range?
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