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Consider a class in which there are 40 students enrolled. (In what follows, ignore February 29th) John is a student in this class. What is the probability that at least one other student in the class has John's birthday (Day and month, but not necessarily the year)?
What is the probability that, among the 40 students, there are at least two students with the same birthday?
What is the population from which your sample has been taken? Description of data taken from other sources. Preliminary analysis using histograms, box plots, scatter plots, etc. and investigation of outliers. Do you keep or discard identified outl..
A researcher wanted to invetigate whether there is a significant difference in the average age of instructors, assistant professors, assocated professors and full professors at a university. The faculty was selected at random and their ages were r..
which of the following nonparametric tests reaches a conclusion equivalent to the mann-whitney u test?a. wilcoxon
explain the difference between a treatment group and control group. be specific and thorough a couple paragraphs should
compute a qq plot against a normal distribution with a mean of 5 and standard deviation of 1 and test for the goodness
from the data bank select a random sample of 30 individuals. a. use the z test to test the hypothesis for iq that h0
What is the probability that a randomly selected grapefruit will have a diameter of at least 4.14 inches?
in a certain country 9 of the population have a certain disease. a diagnostic blood test has been developed for the
1 a student studying for a vocabulary test knows the meanings of 14 words from a list of 20 words. if the test contains
Find the standard deviation for the number of people with the genetic mutation in such groups of 600.
Jasmine is an African American graduate student. She is conducting research on the effects that affirmative action programs have had on American corporations.
(a) Find the joint probability density function of X1 and X2.
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