Thinking on Monday?
Monday's Brain Bender:
There is a town in Northern Ontario where 5% of all the people living in the town have unlisted phone numbers. If you selected 100 names at random from the town's phone directory, on average, how many of these people selected would have unlisted phone numbers?
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Answer, as always to be found later in the comments.
Update: Today's winner is the lovely and talented newly Mrs. SarahK from Mountaineer Musings!
There is a town in Northern Ontario where 5% of all the people living in the town have unlisted phone numbers. If you selected 100 names at random from the town's phone directory, on average, how many of these people selected would have unlisted phone numbers?
-------------------
Answer, as always to be found later in the comments.
Update: Today's winner is the lovely and talented newly Mrs. SarahK from Mountaineer Musings!
posted by Richmond | 7:30 AM
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