A health psychologist wants to test the effectiveness of a new stress-reduction method. In the general population, the stress level is normally distributed with m = 40 and s = 10. A randomly selected person is trained in the method; the person's score afterward is 25. Could this result has occurred?

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%

explanation:

remove parenthesis:

=

apply rule

=

multiply fractions:

=

=

divide:

=

mordancy.

the correct answer would be c

the forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?