In use these results from a USA Today survey in which 510 people chose to respond to

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In use these results from a USA Today survey in which 510 people chose to respond to this question that was posted on the USA Today website: “Should Americans replace passwords with biometric security (fingerprints, etc)?” Among the respondents, 53% said “yes.” We want to test the claim that more than half of the population believes that passwords should be replaced with biometric security.

a. Identify the actual number of respondents who answered “yes.”
b. Identify the sample proportion and the symbol used to represent it.

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