Answer:
He lacks an understanding of the concept of conservation
Explanation:
Conservation refers to the ability to determine that a certain quantity will remain the same despite adjustment of the container, shape, or apparent size. Omar didn't know the the size of the bowl that was used to serve the pasta doesn't change the quantity of the pasta he will get, he lacks knowledge of the concept of conservation.
Answer:
The seller may replace the dishwasher with a used appliance of similar age, size, and condition. Given that the dishwasher is listed under the "In working condition]" category, if it fails the seller could still replace it with another similar age, size, and condition aplliance, used or not.
Answer:
Simple Random Sampling
Explanation:
Sampling is the process of drawing a small group of representative people from population.
Random Sampling is when all the units of population have equal chance of being chosen as a sample.
Simple Random sampling is choosing a subset randomly from the entire set.
Researcher recruiting participants for experiment by posting announcement in psychology department, asking for volunteers. It is a simple random sampling as sample is randomly drawn by invitation to volunteer from the population of all people in psychological department.
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