Mathematics, 24.05.2020 06:58 raiindrxp
You conduct a survey that asks 98 students whether they take a foreign language class and whether they have visited a foreign country. There are 63 students who take a foreign language class and 26 of those students have visited a foreign country. There are 26 students who do not take a foreign language class and have not visited a foreign country. Organize the results in the two-way table. Include the marginal frequencies.
Answers: 2
Mathematics, 21.06.2019 14:30
F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.
Answers: 2
Mathematics, 21.06.2019 17:30
One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)
Answers: 1
Mathematics, 22.06.2019 04:10
Random variables x poisson~ ( a) ,y poisson ~ ( a) . x and y are independent. if 2 1, 2 1. u =2x+ y-1, v=2x- y +1. find: ) cov (u ,v ).
Answers: 2
You conduct a survey that asks 98 students whether they take a foreign language class and whether th...
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