In a continuous probability distribution, the probability that x will take on an exact value:
a. is equal to the height of the curve at that value.
b. is calculated using the probability density.
c. is always equal to 0.
d. is always greater than 0.
e. None of these is correct.
Question 2
Which of the following are not correct concerning the probability distribution for any continuous random variable?
a. The vertical coordinate is the probability density function.
b. The range of the random variable is found on the y-axis.
c. The total area represented under the curve will be equal to 1.00.
d. The probability that x will take on a value between a and b will be the area under the curve between points a and b.
e. The area under the curve represents the sum of probabilities for all possible outcomes.
Normal Distribution of IQ Scores
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