The names of 8 students are in a hat.

You pick one name without looking.

Find each probability.

Express each probability as many ways as you can.

a) Laura will be picked.

b) Jorge will not be picked.

c) A three-letter name will be picked.

d) A five-letter name will be picked.

e) A name with 4 or more vowels will be picked.

f) A boy’s or a girl’s name will be picked.

parpar1 May 29, 2020

#1**+2 **

The names of 8 students are in a hat.

You pick one name without looking.

Find each probability.

Express each probability as many ways as you can.

a) Laura will be picked.

b) Jorge will not be picked.

c) A three-letter name will be picked.

d) A five-letter name will be picked.

e) A name with 4 or more vowels will be picked.

f) A boy’s or a girl’s name will be picked.

\(\begin{array}{|lrcll|} \hline a) & \dfrac{1}{8} \\ & =0.125\\ & =12.5~\% \\ \hline \end{array} \begin{array}{|lrcll|} \hline b) & \dfrac{7}{8} \\ & =0.125\\ & =87.5~\% \\ \hline \end{array} \begin{array}{|lrcll|} \hline c) & \dfrac{4}{8} \\ & =\dfrac{1}{2} \\ & =0.5\\ & =50~\% \\ \hline \end{array} \begin{array}{|lrcll|} \hline d) & \dfrac{4}{8} \\ & =\dfrac{1}{2} \\ & =0.5\\ & =50~\% \\ \hline \end{array} \begin{array}{|lrcll|} \hline e) & \dfrac{0}{8} \\ & =0 \\ & =0~\% \\ \hline \end{array} \begin{array}{|lrcll|} \hline f) & \dfrac{8}{8} \\ & =1\\ & =100~\% \\ \hline \end{array}\)

heureka May 29, 2020