Find the critical value (s), round the answer to at least two decimal places. If there is more than one critical value, separate them with commas

Sick Days in Bed A researcher wishes to see if the average number of sick days a worker takes per year is less than 5. A random sample of 26 workers at a large department store had a mean of 4.6. The standard deviation of the population is 1.2. Is there enough evidence to support the researcher's claim at a=0.10? Assume that the variable is normally distributed. Use the critical value method with tables. Part 1 of 5 State the hypotheses and identify the claim with the correct hypothesis. H: H = 5 not claim v HM