Problem on average intensity level
Suppose you call your dog with an average intensity level of 80 decibels (db). How much more sound energy would you have to put into each call to:
a. Increase the call to 90 db?
b. Increase the call to 100 db?
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A certain bubble gum company includes a picture card of a famous basketball player in each pack of bubble gum it sells. A complete set of cards consists of n players. Suppose that every pack you buy is equally likely to contain the picture of any
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