Choose the One Alternative That Best Completes the Statement or Answers

question 31

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-The distribution of blood types for 100 Americans is listed in the table. If one donor is selected at random, find the probability of selecting a person with blood type $\mathrm { A } +$ or $\text { A-. }$ $$\begin{array} { l | c c c c c c c c } \text { Blood Type } & \text { O+ } & \text { O- } & \text { A+ } & \text { A- } & \text { B+ } & \text { B- } & \text { AB+ } & \text { AB- } \\\hline \text { Number } & 37 & 6 & 34 & 6 & 10 & 2 & 4 & 1\end{array}$$

• A)0.4
• B)0.34
• C)0.02
• D)0.06

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Definitions:

Fixed Group

A term not generally standard in research; possibly refers to a specific group that remains unchanged throughout the duration of a study. NO.

Long Period

A duration of time that extends over a considerable number of years, months, or longer time frames.

Motor Development

The progression of motor skills in individuals, including fine and gross motor abilities, from infancy through adulthood.

Grasping

The act of taking hold, seizing, or obtaining with the hand or arms, an important motor skill in human development.