Mathematics, 01.04.2020 20:29 jesser9
A group of 8 children go on a field trip. Mrs. Smith is the mother of 3 of these children. School officials later announce that 2 of the children in the group were exposed to hepatitis while on the trip, but they provide no information as to which 2 children were exposed.
(a) What is the probability that both of the exposed children were Smith children?
(b) What is the probability that exactly one of the two exposed children was a Smith?
(c) What is the probability that at least one of the two exposed children was a Smith?
(d) What is the probability that neither exposed child was a Smith?
(e) One of Mrs. Smith's children in the group is named Amy. What is the probability that Amy Smith was one of the two exposed children?
(f) School officials contact Mrs. Smith to let her know that Amy was one of the two exposed children. What then is the conditional probability that the other exposed child is one of her other children?
Answers: 2
Mathematics, 21.06.2019 14:40
The height of a triangle is 4 in. greater than twice its base. the area of the triangle is no more than 168 in.^2. which inequalitycan be used to find the possible lengths, x, of the base of the triangle?
Answers: 1
Mathematics, 21.06.2019 18:20
Find the solution of this system of equation -7x+y=-20 9x-3y=36
Answers: 1
Mathematics, 21.06.2019 21:00
An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.
Answers: 1
Mathematics, 21.06.2019 22:00
Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.
Answers: 1
A group of 8 children go on a field trip. Mrs. Smith is the mother of 3 of these children. School of...
Mathematics, 11.10.2019 08:31
Mathematics, 11.10.2019 08:31
Mathematics, 11.10.2019 08:31
Mathematics, 11.10.2019 08:31
Mathematics, 11.10.2019 08:31
Mathematics, 11.10.2019 08:31
Biology, 11.10.2019 08:31
History, 11.10.2019 08:31