Under what conditions should you use the Addition/Sum Rule and what notation should you use?
a. With mutually exclusive events; P (A or B)
b. With mutually exclusive events; P (A and B)
c. With independent events; P (A or B)
d. With independent events; P(A and B)
Answer: a. With mutually exclusive events; P (A or B)
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impact that created the Barringer Crater in Arizona was the asteroid impact that created the crater off the coast of the Yucatan Peninsula?
a. 10 million times b. 20 million times c. 30 million times d. 40 million times e. 50 million times
In sanitary landfills, the primary safeguard against groundwater contamination is to:
a. do nothing as groundwater contamination is not a problem with landfills. b. line the landfill with impermeable clay and plastic. c. design the landfill to use the natural slope of the land so water runs downhill without being contaminated. d. locate landfills on industrial sites where groundwater is not used for drinking.
Flowers that are strongly oderiferous and blue or UV purple in color would most likely be pollinated by:
a. insects. b. birds. c. bats. d. wind. e. small rodents
Many important cellular functions in eukaryotic cells occur within membrane-enclosed organelles, such as cellular respiration occurring within the mitochondria. The membranes of the mitochondria provide a place for enzymes needed for cellular respiration to anchor and function. Prokaryotic cells must also carry out respiration but do not have mitochondria. Where is the most likely place that enzymes needed for cellular respiration are anchored and functioning?
a. the cell wall c. the cytosol b. the chromosome d. the plasma membrane