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1. The National Highway Traffic Safety Administration (NHTSA) states that the percentage of people who used...

1. The National Highway Traffic Safety Administration (NHTSA) states that the percentage of people who used their seatbelts in the year 2001 was 72%. The NHTSA also reported that a random sample of 3000 people showed that 2210 reported using their seatbelts in 2011. Conduct a hypotheses test at a significance level of 5% to see whether thepercentage of people who used their seatbelts in 2011 changed from the 72% reported the year 2001

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