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Mathematics, 16.06.2020 05:57 lovly8914

HELP PLZ ! 8) Jordan is drinking a cup of hot chocolate. From previous research, he knows that it takes an
average (mean) time of 10 minutes for the hot chocolate to reach a temperature where his tongue
will not burn. The time it takes the chocolate to cool varies Normally with a standard deviation of 2
minutes.
a) How long should he wait to drink his hot chocolate if he wants to be
84% sure that he won't burn himself?

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Answers: 1

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