At a certain restaurant, the distribution of wait times between ordering a meal and receiving the meal has mean 11. 4 minutes and standard deviation 2. 6 minutes. The restaurant manager wants to find the probability that the mean wait time will be greater than 12. 0 minutes for a random sample of 84 customers. Assuming the wait times among customers are independent, which of the following describes the sampling distribution of the sample mean wait time for random samples of size 84 ?.

This graph represents four ecosystems. each ecosystem has a different number of species, adding to its biodiversity. different colors represent different species. which statements correctly summarize the data depicted by the graph? 1. ecosystem d has more biodiversity than ecosystem c. 2. ecosystem b has more biodiversity than all the other ecosystems. 3. ecosystem a has more biodiversity than ecosystem b but less biodiversity than ecosystem c. 4. ecosystem b has more biodiversity than ecosystems c and d but less biodiversity than ecosystem a. 5. ecosystem a has more biodiversity than ecosystem c but less biodiversity than ecosystem b.

What term refers to the initial training given to all new employees?

The different layers of gases that extend form the surface of the earth into space