"Channel One" is an educational television network for which participating secondary schools are equipped with TV sets in every classroom. It has been found that 60% of secondary schools subscribe to Channel One, where of these subscribers 10% never use Channel One while 10% claim to use it more than 5 times per week. Find the probability that a randomly selected secondary school subscribes to Channel One but never uses it. Hint Write out each of the 3 probabilities you've been given in probability notation. 2 of them are conditional probabilities. answer.
"Channel One" is an educational television network for which participating secondary schools are equipped with TV sets in every classroom. It has been found that 60% of secondary schools subscribe to Channel One, where of these subscribers 10% never use Channel One while 10% claim to use it more than 5 times per week. Find the probability that a randomly selected secondary school subscribes to Channel One but never uses it. Hint Write out each of the 3 probabilities you've been given in probability notation. 2 of them are conditional probabilities. answer.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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