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# Help.

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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.

May 29, 2020

### 2+0 Answers

#1
+25565
+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.

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

May 29, 2020
#2
+103
0

Thnaks heureka!
this is so amazing!
wished i payed you :p

May 29, 2020