Why should the area under the Normal Curve (i.e., under the “bell”) always be 1.0?
Probability Axiom
By using probability rule and normal distribution is defined on continuous random variable.
Why should the area under the Normal Curve (i.e., under the “bell”) always be 1.0?
2. a. What is the area under the normal curve between z = -1.0 and z = -2.0? b. The standard normal probability distribution is unique because it has ________.
In a standard normal distribution bell curve, the proportion of the total area which must be to the left of the mean is and the total area under the curve is A: between 0.25 and 0.60; 0.50 and 1.20 B: exactly 0.50; 1 C: less than 0.50 if the distribution is skewed to the left; 1 D: more than 0.50 if the distribution is skewed to the right; 1
d the area under the standard normal curve that corresponds to the following Z values, e given bell shaped curves, identify, and shade the appropriate region: (1 point ea) Fin Use th 11) P(z > 2.37) 12) P(z< -1.26) 13) P (-0.85<z2.44) 14) Find the Z score for the standard normal distribution using the given bell shaped curve P( -z<Z<z)-0.95 15) Find the Z score for the standard normal distribution using the given bell shaped curve P(Z>z)-0.881000
Find the area under the normal curve to the left of z= -0.28 plus the area under the normal curve to the right of z =1.40. The combined area is?
The area under the standard normal curve that lies to the left of -1.8 is 0.0359. Without consulting a the table giving areas under the standard normal curve, determine the area under the standard normal curve that lies to the right of 1.8. answer: b) Which property of the standard normal curve allowed you to answer part a)? A. The standard normal curve extends indefinitely in both directions B. The standard normal curve is symmetric about 0 C. Almost all...
5) Find the area under the standard normal curve that corresponds to the following Z values, Use the given bell-shaped curves, identify, and shade the appropriate region: (2 points ea.) a) p(0 <z < 0.92) b) p(z < -1.23) c)p(-2.07 <z< 1.88)
The area to the left of the mean on a standard normal distribution curve will always be _________ because the curve is symmetrical. Select one: a. 95% b. 50% c. 100% d. 68%
Using the Standard Normal Distribution Table to find the area under the standard normal curve. a) Find the area under the standard normal curve to the left of z=-100. b) Find the area to the left of z=1.18.
Find the area under the normal curve that lies outside: Z = 0.00 and Z = 2.75 Find the area under the normal curve that lies outside: Z = -0.53 and Z = 0.00 Find the area under the normal curve that lies outside: Z = -2.18 and Z = 0.08 Find the area under the normal curve that lies outside: Z = 1.11 and 1.61 There is no image with it
(1 point) Find the Z-score such that: (a) The area under the standard normal curve to its left is 0.8369 Z= (b) The area under the standard normal curve to its left is 0.78 Z= (C) The area under the standard normal curve to its right is 0.1217 Z= (d) The area under the standard normal curve to its right is 0.1206 Z=