20-21 DAVIDSOND:01 PROBABILITY & STAT SON D 01 PROBABILITY
Calculating z-scores
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The grades on a language midterm at Santa Rita are roughly symmetric with u = 77 and o = 3.5.
Tiffany scored 80 on the exam.
Find the Z-score for Tiffany's exam grade. Round to two decimal places.
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Give an example of the type and scale of economic activity for a traditional economy.

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.

What are spirit and opportunity designed to do?