Mathematics, 13.12.2019 23:31, gizmo50245
Ahigh school janitor has 140 keys on his key chain. of these 140 keys, 100 open classroom doors, 80
open the door to the teachers' lounge, and 60 open classroom doors and the teachers' lounge. using this
information, answer each of the following questions.
let c be the event that a randomly selected key opens a classroom and i be the event that a randomly
selected key opens the teachers' lounge.
what is p(c), the probability that a key opens a classroom?
what is p(t), the probability that a key opens the teachers' lounge?
what is pc and t), the probability that a key opens a classroom and the teachers' lounge?
what is pc or t), the probability that a key opens a classroom or the teachers' lounge?
Answers: 1
Mathematics, 21.06.2019 16:50, QueenDarbane9696
Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.
Answers: 2
Mathematics, 21.06.2019 20:30, jonmorton159
Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible
Answers: 1
Mathematics, 21.06.2019 21:30, jarviantemelton
Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.
Answers: 3
Ahigh school janitor has 140 keys on his key chain. of these 140 keys, 100 open classroom doors, 80<...
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