Exhibit 7-2 A Random Sample of 10 Examination Papers in a Course

question 92

Multiple Choice

Exhibit 7-2
A random sample of 10 examination papers in a course, which was given on a pass or fail basis, showed the following scores.
-Refer to Exhibit 7-2. The point estimate for the proportion of all students who passed the course is

• A)0.8
• B)0.2
• C)1.8
• D)1.2

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Definitions:

Parasitic Ticks

Arachnids that feed on the blood of mammals, birds, and sometimes reptiles and amphibians, often transmitting diseases in the process.

Lion and Zebra

represents predator-prey relationships in ecosystems, illustrating the ecological dynamics between carnivores and herbivores.

Invasive Species

Organisms that are introduced to a new habitat, where they proliferate, often harming native species and ecosystems.