A local microbrewery believes it produces the best tasting dark beer in town. To make its case, seven volunteers are asked to participate in a beer tasting contest. Each volunteer is asked to taste 5 dark beers and to pick the one he/she prefers. Of the 5 dark beers, one is microbrewery's and the other 4 are national favorites. What is the probability that exactly 3 of the volunteers pick the
microbrewery's beer? Assume there is no taste preference for any of the beers and that chance alone determines each selection.
a. 0.1730 c. 0.0577
b. 0.1147 d. 0.0287
B
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Indicate whether the statement is true or false
The results of more than 1.5 million ESP trials done through the mass media found
a. a significant ESP effect. b. that only persons younger than 25 years of age showed any psi ability. c. that only persons older than 45 years of age showed any psi ability. d. no significant ESP effect.
When people are said to be insane, this means that ________
a. psychologists have compared their behaviors to characteristics of individuals with disorders and found a strong correlation. b. a psychiatrist has determined that they are suffering from one of the psychological disorders, as described in the DSM. c. a person may have a mental illness and yet be considered sane by the court. d. a diagnosis of schizophrenia has been made either by a psychologist or by a psychiatrist specializing in the treatment of the insane.
Exhibitionists often keep exposing themselves in the same location, as if they want to be caught
a. True b. False