Question: Using the Old Faithful eruption information in Applied Example 8.1 on page 344: a. What does 3:19 PM +-10 min mean? Explain. b. Did this

Using the Old Faithful eruption information in Applied Example 8.1 on page 344:
a. What does “3:19 PM +-10 min mean? Explain.
b. Did this eruption occur during the predicted time interval?
c. What does “90% of the time” mean? Explain.

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