The best way to travel from the Swiss town of Thun to the Loeschental Valley by car is to drive to the village of Kandersteg and take the car-train to Goppenstein. Each train carries 70 cars and the service runs every 12 minutes in each direction. The first trains leave at 05:00. Each train takes 4 minutes to unload and 4 minutes to load. As many as 600 cars queue for these trains at weekends. The train journey to Goppenstein takes 20 minutes. Arriving at the Kandersteg queue at 16:55, John is told that there will be 420 cars queuing ahead of him once the next train has left. The service continues to run without any delays.

At what time will he arrive at Goppenstein station?

Asmall internet mail-order company keeps track of the number of orders it fills per day for many years and determines that the distribution of the variable "orders filled per day" is right-skewed and has the following five-number summary: minimum = 20 q1 = 32 median = 46 q3 = 63 maximum = 80 suppose we take random samples of size 40 from this distribution and calculate the range for each of our samples. (i cant put in the graph, but its approximately normal with center between 56 and 57, with a range of 53 to 60). a) there are two dots on the graph at 53. explain what these values represent. b) is the sample range an unbiased estimator of the population? use the dotplot above to justify your answer.

How is the introduction of the cane toad to queensland, australia an example of the unintended consequences of using non-native species to control pests? (site 1)

What is the function of the organelle labeled a in the diagram?