Follow the format given

A computer school claims that students who complete a one-month typing course can type, on average, 1200 words per hour. A random sample of 25 students who completed this course typed, on average. 1130 words per hour with a standard deviation of 85 words. Assume that typing speeds for all students who completed this course have an approximately normal distribution. Is the claim of the computer school true? Use a = 0.01 Ho: Hai This is a test. Level of Significance (a) = Critical value/s = Decision rule: Reject Ho if Compute the test statistic: z = Decision