"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.

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"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.
Transcribed Image Text:"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.
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