Which of the following are functions of blood? (Check all that apply.)

NAEYC suggests the optimal teacher to infant ratio to be __________.

 Creatinine is an example of what type of plasma component?

 What determines an individual’s blood type?

Assume that random guesses are made for 7 multiple-choice questions on a test with 4 choices for each question.  Find the mean of the probability distribution. Round to hundredths if necessary. 

Early childhood teachers must become self-aware to acknowledge and address their __________.

Assume that random guesses are made for 7 multiple-choice questions on a test with 4 choices for each question.  Find the standard deviation of the probability distribution. Round to hundredths. 

 What is the correct sequence for differentiation of a red blood cell?

John Locke, considered to be the founder of modern educational philosophy, conceived the theory of __________.

Assume that random guesses are made for 7 multiple-choice questions on a test with 4 choices for each question.  Find the probability that a student will get exactly 3 questions correct by randomly guessing. Round to hundredths.