Pregunta
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1 Use the results from a survey of a simple random sample of 1206 adults. Among the 1206 respondents, rated themselves as above average drivers. We want to test the claim that of adults rate
themselves as above average drivers. Complete parts (a) through ©
a. Identify the actual number of respondents who rated themselves as above average drivers.
(Round to the nearest whole number as needed.) .

Ask by Welch Ingram. in the United States
Mar 21,2025

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1073 respondents rated themselves as above average drivers.

Solución

  1. Calculate the number of respondents by multiplying the total sample size by the percentage (expressed as a decimal):
  1. Compute the product:
  1. Round to the nearest whole number:
Thus, the actual number of respondents who rated themselves as above average drivers is .

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The Deep Dive

Out of the 1206 respondents, rated themselves as above average drivers. To find the actual number of respondents, you multiply by :
Rounding to the nearest whole number, the actual number of respondents who rated themselves as above average drivers is 1073.
Now that we have that number, let’s look at the implications of such a result: it seems that many more people think they’re better drivers than average! This phenomenon, often called the “better-than-average” effect, is a fascinating quirk of human psychology—you’ll see it in everything from driving to negotiation skills!
Curious to explore more? You might want to dive into the realms of cognitive biases and how they influence our self-perceptions. Books like “Thinking, Fast and Slow” by Daniel Kahneman provide deep insights into our decision-making processes and could help unravel why so many people have such inflated views of their driving abilities!

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