(Answered) 1what is the total area under the normal curve2a study was

Statistics

1. What is the total area under the normal curve?

2. A study was conducted that resulted in the following relative frequency histogram. Determine whether or not the histogram indicates that a normal distribution could be used as a model for the variable.

3. Find the area of the indicated region under the standard normal curve.

The area between z = 0 and z = 1.2 under the standard normal curve is.

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