A bag of rice is supposed to weigh 2.37kg. The amount in each package varies a little bit, following a normal distribution with a standard deviation = 0.9 kg. A consumer group measures the weight of 36 bags of rice selected randomly from the stock at several grocery stores. The mean of these 36 measurements is 2.05 kg. Is this evidence that mean weight in all bags of rice is less than 2.37? Use a significance level of 0.05