In a normal popular of 500'000 people, a survey of the number of case of corona virus was conducted with a sample of 1000 people and the number of corona cases was discovered to be 700. Another survey was carried out wirh sample of 2,600 and the number was recorded at 800. Using a Confidence Levels of 95%, prove that the number of corona cases is not grater than 700.

Onstruct the grouped frequency table for the following data. 1, 1, 1, 1, 2, 2, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9

Essay questions may also be referred to as a. talk questions c. hard questions b. explain questions d. think questions

Apopulation of deer mice was introduced into a desert ecosystem. being dark-colored, the deer mice stood out in the sand and were easy prey for predators. over a few years, the color of the mice changed from dark brown to light brown. what role does natural selection play in this example? a. the change of color camouflaged them, which them hunt better. b. the change of color enabled them to regulate their body temperature. c. the change of color allowed them to hide better from predators. d. the change of color made their bodies tolerant to the harsh desert sand. e. the change of color allowed them to deflect the excessive heat.