Use the standard normal distribution to find P(0 < z < 2.25 ).
A) .5122 B) .8817 C) .4878 D) .7888
Question 2
A student completing a research project for a criminal justice class obtained a radar gun for
determining automobile speeds and recorded the speeds of automobiles passing a fixed location
over a period of several hours.
The student was unaware that the device needed to be recharged
after two hours of use and that the speeds recorded after two hours were not reliable. What type
of problem has occurred?
A) selection bias B) nonresponse bias C) measurement error
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