A sales associate would like to test the claim that the average number of sales made by a sales associate per year is greater than 800 sales. To test this claim, at the 2.5 % significance level, the sales associate collects the following data on a sample of 30 sales associates and records their sales. The following is the data from this study: Sample size = 30 sales associates Sample mean = 820 sales From past data, it is known that the population standard deviation is 75 sales. Identify the null and alternative hypothesis for this study by filling in the blanks with the correct symbol ( = , , to represent the correct hypothesis.) Provide your answer below: null hypothesis: $\mu$ 800 alternative hypothesis: $\mu$ 800