Question

the shape of the curve is symmetric and bell - shaped. the total area under the normal curve equals. approximately 68% of the data in a normal curve falls within one of the mean. geometric shapes, such as rectangles, triangles, and, are used to estimate areas under the curve. the height of the normal curve at a specific point is often determined by its

Explanation:

Answer:

(1) normal
(2) 1
(3) standard - deviation
(4) trapezoids
(5) probability - density function