NEED HELP PLEASEDirections: Conduct a Z-Test (one tailed) of the following.

1. The leader of the Factory Worker claims that the average pay of factory workers in Marikina City is less than 500 php. A random sample of 100 factory workers was interviewed and resulted on the average of 350 php. Using a significance level of 0.05 and standard deviation of 92. Determine if there is sufficient evidence that the claim is true. 2. It is being claimed that the mean annual salary of call center agent is greater than 188, 584 php. A researcher randomly selected 50 call center agents and found out that the average annual salary is 188, 600 php with a standard deviation of 39.50. determine if there is enough evidence to prove that the claim is true using a level of significance of 10%