In a survey of 200 people who visited china 85% visited the great wall. of those who visited the Great Wall 30% also visited the chengdu panda center. of those who did not visit the great wall 80% visited the panda center. enter the correct answers in the boxes to complete the two way frequency table.

Mercury poisoning is dangerous overload of mercury within the body. a major source of mercury within the body, a major source of mercury poisoning is consuming fish that contain mercury. certain fish are more prone to having higher levels of mercury than others. the pie chart shows the distribution of four breeds of fish at a hatchery. the hatchery has approximately 6,000 fish. a biologist from the centers for disease control and prevention randomly test 5% of each breed of fish for mercury content. her findings are shown in the following table. based on the biologist's findings, if a single salmon is randomly selected from those that were tested, what is the probability that this particular fish would have a dangerous mercury level? a) 0.001 b) 0.004 c) 0.02 d) 0.08

The difference between tax advoidance and tax evasion

What is the total surface area of this square pyramid?