The sleep spindles that occur during sleep are minute bursts of electrical activity of ________ cycles per second

If you asked 1,000 people who were between ages 35 and 64 whether or not they had cared for a relative or friend in the last year, you should expect about how many of them to answer "yes"?

a. 50 b. 200 c. 500 d. 650

Adolescents' personal qualities are insignificant factors in determining their popularity

Indicate whether the statement is true or false