over the past month, a music store has sold many vinyl records. the records are categorized by genre. pop 65…

over the past month, a music store has sold many vinyl records. the records are categorized by genre. pop 65 rock 10 rap 15 considering this data, how many of the next 30 vinyl records sold should you expect to be rap albums? rap albums

over the past month, a music store has sold many vinyl records. the records are categorized by genre. pop 65 rock 10 rap 15 considering this data, how many of the next 30 vinyl records sold should you expect to be rap albums? rap albums

Answer

Answer:

4.5

Explanation:

Step1: Calculate total records sold

$65 + 10+15=90$

Step2: Calculate proportion of rap records

$\frac{15}{90}=\frac{1}{6}$

Step3: Calculate expected number of rap records in next 30

$30\times\frac{1}{6}=4.5$