Who is responsible for the introduction of the 911 emergency number in 1968?

A. MCI
B. AT&T
C. LAPD
D. NYPD


Answer: B

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A state prisoner must exhaust state law remedies before applying for federal habeas corpus, even if futile.

Answer the following statement true (T) or false (F)

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A ________________ is an approach to sampling that involves mixing qualitative and quantitative styles of research and combining probability with non-probability techniques

Fill in the blank(s) with correct word

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Which organized crime group is considered to be the most powerful international drug trafficking organization in the world?

What will be an ideal response?

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Which of the following is NOT a requirement for Spearman's rank-order correlation coefficient?

a. both X and Y variables must be ranked or ordered. b. ordinal data c. random sampling d. All of the above are required.

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