A witness in a trial testified that he searched 21 cars, of which 12 were convertibles, 16 had out-of-state plates, and 4 were convertibles with out-of-state plates. Explain why the witness was not telling the truth. O The actual number of convertibles would have to be 8, which does not agree with the witness' testimony that 12 cars were convertibles. O The actual number of convertibles with out-of-state plates would have to be 12, which does not agree with the witness' testimony that 4 convertibles had out-of-state plates. O The actual number of cars he searched was 28, which does not agree with the witness' testimony that he searched 21 cars. O The actual number of cars he searched was 24, which does not agree with the witness' testimony that he searched 21 cars.
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
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