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Seatbelts Safety officials hope a public information campaign will increase the use of seatbelts above the current 70% level. Their efforts include running radio and TV ads, putting up billboards, having police officers appear on talk shows, and getting newspapers to indicate whether people injured in accidents were belted in. After several months they check the effectiveness of this campaign with a statewide survey of 560 randomly chosen drivers. 407 of those drivers report that they wear a seatbelt.
a. Verify that a Normal model is a good approximation for the binomial model in this situation.
b. Does the survey result suggest that the education/advertising campaign was effective? Explain.
Valid Title
A legal term indicating that a title to a piece of property is legally effective, with the holder having rightful ownership and no claims or outstanding liens against the property.
Clarify
To make a statement or situation less confused and more comprehensible.
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Duties or commitments imposed by law, contract, or a sense of moral responsibility.
Uniform Commercial Code
A comprehensive set of laws governing all commercial transactions in the United States, intended to standardize laws across the states.
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