In: Statistics and Probability
An insurance agent is curious if there was a difference between the automobile accident rates for single drivers and married drivers. A random sample of 1,000 insurance policies included 572 single drivers and 428 married drivers. During the previous three years, 176 of the single drivers and 152 of the married drivers had been involved in at least one accident. Compute the test statistic for a hypothesis test to compare the population proportions of accidents. Assume that the conditions for a hypothesis test for the difference between the population proportions are met. Round your answer to two decimal places.