According to statistics presented in the text, in the United States in colonial times about 1 in ___ people were age 65 and over; today, about 1 in ___ people are age 65 and over, and in 2030, about 1 in ___ people is expected to be age 65 and over

a. 10; 8; 6
b. 50; 8; 5
c. 100; 40; 20
d. 100; 20; 6

b

Psychology

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Neural networks are a group of neurons that function together to carry out a process

Indicate whether the statement is true or false

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The formula for the correlation coefficient, as we know it today, was devised by

a. Gibson b. Scarr c. Pearson d. Galton e. Edgeworth

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