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Question: Given the situation described, identify the type of sampling involved. All the blackjack dealers on break at 8:15 p.m. at a particular casino are asked if they are bothered by secondhand cigarette smoke inhaled on the job.
What is the probability that more than one machine is in the system? Probability that more than two are broken and waiting to be repaired or being serviced? More than three? More than four?
Based on this sample, is Moe correct in his assertion? Write up formal commentary of results of your test.
questions1. compare and contrast internal and external validity. describe and give examples of research questions for
find the area under the standard normal curve for the followinga pz gt 1.15b p0 lt z lt 1.58c p-1.06 lt z lt
Each time that Ed charges his credit card, he omits the cents and records only the dollar value. If this month he has charged his credit card 20 times what can be said about the probability that the record shows at least $15 less than the actual a..
For all questions, clearly explain/show your answers. For the Analysis section, justify your answers with the appropriate graphs, statistics, equations, etc.
In a survey of women in a certain country (ages 20-29) the mean height was 64.5 inches with a standard deviation of 2.75 inches. What height represents the 90th percentile? What height represents the first quartile?
After an unusually dry atumn, a radio announcer ia heard to say, "Watch out! We'll pay for these sunny days later on this winter." Explain what he's trying to say, and comment on the validity of his reasoning.
What fraction of the calls last between 4.2 and 5 minutes?
Compare and contrast how the psychologist as a detective (a researcher) solves a problem to how a non-researcher solves a problem.
Sketch the distributions involved, and (c) explain your answers to someone who has never had a course in statistics.
If the rods' lengths produced by your line are normally distributed, with a mean equal to the target of 0.2 meters, and a standard deviation of 0.015m, what percentage of rods will be scrapped?
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