(6 points) A company claims that its light bulbs are superior to those of its main competitor. If a study showed that a sample of n, = 38 of its bulbs has a mean lifetime of 655 hours of continuous use with a standard deviation of 23 hours, while a sample of n2 = 40 bulbs made by its main competitor had a mean lifetime of 689 hours of continuous use with a standard deviation of 28 hours, does this substantiate the claim at the 0.01 level of significance? Null hypothesis, Ho : /1 12 ( Enter '=', '>', or '', or " > test statistic = We should Ho in favour of HA. (Enter reject or not reject )