Question: Ballistic Fingerprinting. Guns make unique mark- .n bullets they fire and their shell casings. These markings are referred to as ballistic fingerprints. A recent ABCNE WS Poll examined the opinions of Americans on the enactment of a law ". ..that would require every gun sold in the United States to be test-fired first, so law enforcement would have its fingerprint in case it were ever used in a crime." The following problem is based on the results of that poll. Independent simple random samples were taken of 495 men and 537 women. When asked whether they sup— port a ballistic fingerprinting law, 307 of the men and 446 of the women said "yes." At the 1% significance level, do the data provide sufficient evidence to conclude that men tend to favor ballistic fingerprinting less than women?

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