Essay 1. Many law enforcement agencies use voice-stress analysis to help detemine whether persons under interrogation are lying. Ifthe sound frequency of a person's voice changes when asked a question, the presumption is that the person is being untruthful. For this situation, state the mull and altemative hypotheses in verbal tems, then identify what would constitute a Type I eror and a Type II error in this situation. 2. Following a major earthquake, the city engineer must detemine whether the stadium is structurally sound for an upcoming athletic event. If the null hypothesis is "the stadium is structurally sound" and the altemative hypothesis is "the stadium is not structurally sound," which type of eror (Type I or Type II) would the engineer leastlike to commit?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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1. Many law enforcement agencies use voice-stress analysis to help detemine whether
persons under interrogation are lying. Ifthe sound frequency of a person's voice changes
when asked a question, the presumption is that the person is being untruthful. For this
situation, state the null and altemative hypotheses in verbal tems, then identify what
would constitute a Type I eror and a Type II error in this situation.
2. Following a major earthquake, the city engineer must detemine whether the stadium is
structurally sound for an upcoming athletic event. If the null hypothesis is "the stadium is
structurally sound" and the altemative hypothesis is the stadium is not structurally
sound," which type of error (Type I or Type II) would the engineer least like to commit?
Transcribed Image Text:Essay 1. Many law enforcement agencies use voice-stress analysis to help detemine whether persons under interrogation are lying. Ifthe sound frequency of a person's voice changes when asked a question, the presumption is that the person is being untruthful. For this situation, state the null and altemative hypotheses in verbal tems, then identify what would constitute a Type I eror and a Type II error in this situation. 2. Following a major earthquake, the city engineer must detemine whether the stadium is structurally sound for an upcoming athletic event. If the null hypothesis is "the stadium is structurally sound" and the altemative hypothesis is the stadium is not structurally sound," which type of error (Type I or Type II) would the engineer least like to commit?
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