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looking for assistance with the attached
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thank you,
1. Let x be a continuous random variable. What is the probability that x assumes a single value, such as
a (use numerical value)?
2. The following are the three main characteristics of a normal distribution.
A. The total area under a normal curve equals _____.
B. A normal curve is ___________ about the mean. Consequently, 50% of the total area
under a normal distribution curve lies on the left side of the mean, and 50% lies on
the right side of the mean.
C. Fill in the blank. The tails of a normal distribution curve extend indefinitely in both
directions without touching or crossing the horizontal axis. Although a normal curve
never meets the ________ axis, beyond the points represented by µ - 3σ to µ + 3σ
it becomes so close to this axis that the area under the curve beyond these points in
both directions is very close to zero.
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