a makeup store recently did demos with a variety of cosmetics.\nlipsticks 476\nnail polishes 124\nmascaras…
a makeup store recently did demos with a variety of cosmetics.\nlipsticks 476\nnail polishes 124\nmascaras 88\nwhat is the experimental probability that the next cosmetic used in a demo will be a mascara?\nwrite your answer as a fraction or whole number.\np(mascara) =
Answer
Answer:
$\frac{88}{688}=\frac{11}{86}$
Explanation:
Step1: Calculate total number of cosmetics
$476 + 124+88=688$
Step2: Calculate probability of mascara
$P(\text{mascara})=\frac{\text{Number of mascaras}}{\text{Total number of cosmetics}}=\frac{88}{688}=\frac{11}{86}$