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In an experiment, the probability of the event E is known to be .4. Also the probability of the event F is .8,and the probability of E∪F is 1. i) Compute the probability of these events: P(E∩F)= P(EF)= ii) Suppose the
asked by Tracy on April 21, 2011 
statistics  conditional probability
Event A has probability 0.9 of occurring. Event B has 0.2 chance of occurring if, and only if, event A has occurred. What is the overall probability that event B will occur? I'm so confused. This seems so simple, I'm not sure why
asked by Pam on September 25, 2013 
statistics  conditional probability
Event A has probability 0.9 of occurring. Event B has 0.2 chance of occurring if, and only if, event A has occurred. What is the overall probability that event B will occur? I'm so confused. This seems so simple, I'm not sure why
asked by Pam on September 25, 2013 
Statistics
One event A is _________________ of another event B if the probabilty of event A has occurred given event B is the same as the probability that A will occur with no knowledge of B. disjoint mutually exclusive dependent independent
asked by John on November 15, 2012 
Math Probability
If the probability that event A will happen is 1/4 and the probability of A not happening is 3/4, find the probability that event A happens 3 times out of 7 experiments
asked by Antonio on April 16, 2012 
Statistics
Event A occurs with probability 0.1 and event B with probability 0.5 A) What is the maximum probability that the intersection of A and B can have? B) What is the minimum probability that the intersection of A and B can have? C) If
asked by Rebekah on September 6, 2014 
statistics
5. Consider the probabilities in problem 4. The probability that a randomly selected single book purchase will not be for a work of fiction is (a) 0.80 (b) 0.25 (c) 0.20 (d) 0.30 (e) 0.75 6. Two dice are rolled. Suppose A is the
asked by meri on June 30, 2015 
Statistics
1. A human gene carries a certain disease from a mother to her child with a probability rate of 0.58. That is, there is a 58% chance that the child becomes infected with the disease. Suppose a female carrier of the gene has five
asked by Lisa on September 29, 2013 
Help Math
Events A and B are mutually exclusive. The probability of event A occurring is0.15; the probability of event B occurring is 0.45; what is the probability that A and B will occur? A.0.30 B.0.60 C.1 D.0.40 I think C am I correct?
asked by Chrissy on December 30, 2012 
Math
If the probability of an event happening is p, what is an algebraic expression that represents the probability that the event does not happen?
asked by Gabby on December 3, 2017 
math
1. Arabella's password consists of one letter followed by 2 digits. What is the probability of correctly guessing arabella's password? 2. If the probability of an event happening is p, what is an algebraic expression that
asked by please solve this i don't get it on April 10, 2018