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6 Psychologists believe that teenagers use of Facebook incr.pdf

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Acro1988

6. Psychologists believe that teenagers use of Facebook increased during the COVID-19 pandemic as their anxiety increases due to lack of socialization. A psychologist draws a random sample of 200 teenagers. Suppose that the true proportion of Facebook use among teenagers is 60%. What is the probability that the sample proportion of Facebook users among teenagers during the COVID-19 pandemic is less than 70% ? (A) 0.9981 (B) 0.0019 (C) 0.9990 (D) 0.001 (E) 0.42.

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6. Psychologists believe that teenagers use of Facebook increased during the COVID-19 pandemic as their anxiety increases due to lack of socialization. A psychologist draws a random sample of 200 teenagers. Suppose that the true proportion of Facebook use among teenagers is 60%. What is the probability that the sample proportion of Facebook users among teenagers during the COVID-19 pandemic is less than 70% ? (A) 0.9981 (B) 0.0019 (C) 0.9990 (D) 0.001 (E) 0.42

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6 Psychologists believe that teenagers use of Facebook incr.pdf

  • 1. 6. Psychologists believe that teenagers use of Facebook increased during the COVID-19 pandemic as their anxiety increases due to lack of socialization. A psychologist draws a random sample of 200 teenagers. Suppose that the true proportion of Facebook use among teenagers is 60%. What is the probability that the sample proportion of Facebook users among teenagers during the COVID-19 pandemic is less than 70% ? (A) 0.9981 (B) 0.0019 (C) 0.9990 (D) 0.001 (E) 0.42