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A random group of seniors was selected from a university and asked about their plans for the following year. The school advising office claims that 55% of the students plan to work, 30% of the students plan to continue in school, and 15% of the students plan to take some time off. Is there evidence to reject this hypothesis at alpha= 0.05?
Number of students that plan to: work-18 school-17 time off-10
suppose that the proportions of blood phenotypes in a particular population are as followsa 0.42 b 0.10 ab 0.04
A survey of 34 students at the Wall College of Business showed the following majors: What is the probability he or she is a management major?
Use an appropriate 95 percent confidence interval to estimate the difference between the mean prices of the two brands of cd players. Do you think that the difference haspractical importance?
a drawer contains 10 red socks 4 blue socks and 8 black socks. suppose you chose two socks at random. find the
Discuss any limitations (inaccurate data; incomplete information; not enough samples for testing)can have an regression analysis.
When solving a quadratic equation using the quadratic formula, it is possible for the b2 - 4ac term inside the square root (the discriminant) to be negative, thus forcing us to take the square root of a negative number.
American youngsters aged 6 to 19, 15% were seriously overweight. Calculate and interpret a confidence interval using a 99% confience level for the proportion of all american youngsters.
Determine the mean number of times the machine was used per day.
Using given data table, find out midpoint for class with greatest frequency?
Steven collected data from 20 college students on their emotional responses to classical music. Students listened to two 30-second segments from "The Collection from the Best of Classical Music."
the length of time that a machine operates without failure is denoted by x and the length of time to repair a failure
The entire batch will be rejected if at least one of those tested is defective. What is the probability that the entire batch wili be rejected?
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