A metropolitan school system consists of three school districts-norths, south, central. The north district contains 25% of all students, the south district contains 40%, and the central district contains 35%. A minimum-competency test was given to all students; 10
% of the north district students failed, 15% of the south district students failed, and 5% of the central district students failed.
a) Develop a probability tree showing all marginal, conditional, and joint probabilities.
b) Develop a joint probability table.
c) What is the probability that a student selected at random failed the test?
Solution Summary
Word document contains probability tree showing all marginal, conditional, and joint probabilities and joint probability table.
Solution also contains calculations of probability that a student selected at random failed the test
... 80/95 = 16/19 (b) Number of trees to be ... b) Use a tree diagram to determine all the ... c) If each characteristic is equally likely, find the probability that the ...
Statistics: Probability tree for large dollar amount orders that are heavy in weight. ... How do you know?? (a) Probability Tree: (b) Probability Table: ...
... The following decision tree has been built for this ... has developed the following conditional probability table for ... ABCD 1 2 Joint Probabilities 3 High Demand ...
... refer to the following fault tree for calculation ... tire blowout in one year) = probability of tire ... transform all the conditional probabilities into unconditional ...
... 3. Fold back this decision tree in the attachment - Clearly ... c. What procedure was used to assign these probabilities? ...Probability Event A on paper and A on .25 ...
... 2. A friend tells you that a tree diagram can ... Determine the following probabilities: a. Both cards are aces or ... of the cards, what is the probability of drawing ...
Decision tree probability. Company ... This provides an example of constructing a decision tree and finding expected value and probability. Company ...
