Asupervisor has determined that the average salary of the employees in his department is $40,000 with a standard deviation of $15,000. a sample of 25 of the employees’ salaries was selected at random. assuming that the distribution of the salaries is normal, what is the probability that the average for this sample is between $36,000 and $42,000?

Gigi earned $65 for 5 hours of gardening. she earned $90 for 9 hours of office work. which statement correctly compares gigi’s earning per hour for gardening and office work? she earned $3 more per hour for office work than for gardening. she earned $4 more per hour for office work than for gardening. she earned $3 more per hour for gardening than for office work. she earned $4 more per hour for gardening than for office work.