Mathematics, 26.11.2019 04:31 ImCoolJenny
Asurvey is taken among customers of a fast-food restaurant to determine preference for hamburger or chicken. of 200 respondents selected, 75 were children and 125 were adults. 120 preferred hamburger and 80 preferred chickens. 55 of the children preferred hamburger and 20 preferred chickens. set up a 2x2 contingency table using this information and answer the following questions: foodage hamburger chicken totalchild 55 20 75adult 65 60 125total 120 80 200a) what is the probability that a randomly selected individual is an adult? b) what is the probability that a randomly selected individual is a child and prefers chicken? c) given the person is a child, what is the probability that this child prefers a hamburger? d) assume we know that a person has ordered chicken, what is the probability that this individual is an adult?
Answers: 3
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 18:10, heybrothwrlogan
Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180
Answers: 1
Mathematics, 21.06.2019 19:00, morgeron6071
Which statement best explains why ben uses the width hi to create the arc at j from point k
Answers: 2
Mathematics, 21.06.2019 20:30, daniiltemkin20
List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6
Answers: 1
You know the right answer?
Asurvey is taken among customers of a fast-food restaurant to determine preference for hamburger or...
Questions in other subjects:
