liz is recording what kinds of shoes people are wearing at the mall. sandals 2 sneakers 12 high heels 6…
liz is recording what kinds of shoes people are wearing at the mall. sandals 2 sneakers 12 high heels 6 considering this data, how many of the next 10 people liz sees would you expect to be wearing sandals? people
Answer
Explanation:
Step1: Calculate total number of people observed
$2 + 12+6=20$
Step2: Calculate proportion of people wearing sandals
$\frac{2}{20}=\frac{1}{10}$
Step3: Calculate expected number for next 10 people
$\frac{1}{10}\times10 = 1$
Answer:
1