Question: Please answer both. PLEASE SOLVE USING ti83/84 and include steps!! Thank you :))) 1) Find the standard deviation of the following collection of 12 pieces

Please answer both. PLEASE SOLVE USING ti83/84 and include steps!! Thank you :)))

1) Find the standard deviation of the following collection of 12 pieces of sample data. Round your answer to the nearest tenth. 3, 8, 11, 4, 4, 9, 5, 10, 6, 8, 9, 5 2) The time it takes for a high school student to read a particular passage from Shakespeare is a normally distributed variable with a mean of 5.6 minutes and a standard deviation of 1.8 minutes. Find the probability that a randomly selected student needs more than 8 minutes to read the passage. You must show correct inputs to a calculator function

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