SOLUTION: A proffessor does not remember which of his keys will open his office door . if he tries them at random and with replacement
a.what is the probability that he opens his office do
Algebra ->
Probability-and-statistics
-> SOLUTION: A proffessor does not remember which of his keys will open his office door . if he tries them at random and with replacement
a.what is the probability that he opens his office do
Log On
Question 1013677: A proffessor does not remember which of his keys will open his office door . if he tries them at random and with replacement
a.what is the probability that he opens his office door at the third trial ?
B.what is the probability that at least 6 trials have to be made to open the office ?
C. What is the expected value of the trials to open his door ? Answer by Alan3354(69443) (Show Source):
