Statistics Solutions

[Steps Shown] Data from the department of motor vehicles indicate that 80% of all licensed drivers are older than age 25. in a sample of n=50 people who

Question: Data from the department of motor vehicles indicate that 80% of all licensed drivers are older than age 25.

  1. in a sample of n=50 people who recently received speeding tickets, 32 were older than 25 years and the other 18 were age 25 or younger. Is the age distribution for this sample significantly different from the distribution for the population of licensed drivers? Use
  2. in the sample of n=50 people who recently received parking tickets, 38 were older than 25 years and the other 12 were age 25 or younger. Is the age distribution for this sample significantly different from the distribution for the population of licensed drivers? Use

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