SAT, 07.10.2021 20:30 jjmarie612
the distribution of the heights of students in a large class is roughly bell-shaped. moreover, the average height is 68 inches, and approximately 95% of the heights fall between 63 and 73 inches. state the approximate standard deviation of the height distribution to one place of decimal with no units.
Answers: 1
SAT, 23.06.2019 13:30
By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases by 40%.
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If inflation is 6% and nominal gdp grew by 4%, then during the same period real gdp changed by a) -2% b) 2% c) 4% d) 5%
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SAT, 25.06.2019 22:00
The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.
Answers: 1
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