Sick Days in BedA researcher wishes to see if the average number of sick days a worker takes per year is less than5.A random sample of30workers at a large department store had a mean of4.8

.The standard deviation of the population is1.4. Is there enough evidence to support the researcher's claim at =0.05? Assume that the variable is normally distributed. Use the critical value method with tables.

State the hypotheses and identify the claim with the correct hypothesis.

H0: ?

H1: ?

Critical values: ?

Compute the test value. Always roundscore values to at least two decimal places.

z = ?