Part 1 Question 5 A person who works from home in sales earned an average of $2,350 per month over the past 12 months with a standard deviation of 175. Calculate 90% confidence interval for the true mean income per month. Round to 2 decimal places. Lower value: $ Upper value: $ Fill in the blanks below: It is (likely/unlikely) unlikely their monthly income has a mean of $2,500, since the confidence interval (includes/does not include) does not include the value of $2,500