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Tanner rolls an 12-sided die (numbered 1 through 12) a total of 300 times. She is interested in the number of rolls that give at

Tanner rolls an 12-sided die (numbered 1 through 12) a total of 300 times. She is interested in the number of rolls that give at least 10 so defines a roll of at least 10 to be a success. What is the expected number of successes for the 300 rolls? Answer to one decimal place as needed.

What is the standard deviation for number of successes for 300 rolls? Answer to one decimal place as needed.

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