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Are you an impulse shopper? A survey of 500 grocery shoppers indicated that 18% of males...

  1. Are you an impulse shopper? A survey of 500 grocery shoppers indicated that 18% of males and 30% of females make an impulse purchase every time they shop. Assume the survey consisted of 250 males and 250 females.

At the 0.05 level of significance, is there evidence of a difference in proportion between males and females regarding making impulse purchases?

  1. What is your null and alternative hypothesis?
  2. What is your conclusion? Justify your answer statistically (confidence interval and p-value, including a full interpretation of the p-value)

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