6. At a No Frills grocery store, when produce (fruits & vegetables) get close to their expiry date, they sell them at a lower price. The store's goal is to limit the mean number of expiring produce to 30 for every inspection. A store clerk randomly checks 250 produce items and finds that the mean number of expiring produce is 28. If the population standard deviation is 13, is there evidence that the store is failing to meet its goal at the 6% significance level? [8 marks] State the hypotheses b) State the level of significance 2. Draw a diagram d) Calculate the test statistic e) State the decision and the conclusion