# Really bad at math. Please help

**Question description**

**1. **Here are the numbers of days that each car in a select
group spent in an airport parking lot.

3, 2, 4, 3, 4, 2, 3, 4, 5, 3, 4, 2, 6, 8, 11, 12, 3, 2, 1, 3, 4, 4, 5, 9, 10,
11, 4

**(a) **Are the data normally distributed? Explain.

**(b) **The mean of the data is 4.9 days with a standard
deviation of 3.1 days. The parking lot manager said that “68% of the cars park
between 1.8 and 8 days.” Evaluate the manager’s statement.

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