A recent study yielded a positive correlation between breast-fed babies and scores on a vocabulary test taken at age 6. Discuss the potential difficulties in interpreting the results of this study.

Chapter 4 Probability Probability is a way to assign numerical measurement to chance, 3 ways to do this Theoretical “classical”- computed through mathematical definitions Empirical- frequency proportion of the time that events of the same type will occur in the long run Subjective- assigned estimate of chance considering data, experience and personal belief In classical all possible outcomes are equally likely Very bad, very unlikely only works for cards and dice Probability experiment- chance process that’ll lead to 1 out of 2 or more defined results Trial- a process of observation or measurement Outcome- result of a trial Sample space