The graph shows the number of each kind of book in Hero's personal library. A book is chosen randomly. What is the probability that the book chosen is a biography?A)2/15B)4/15C)1/30D)1/4

Question
Answer:
Answer: A is the right answer .Probability of the book chosen is a biography is [tex]\frac{2}{15}[/tex].
Step-by-step explanation:According to the given graph or pie chart The number of biography books=4Total books= Romance books+ Science fiction books+ Biography books+Adventure books =2+14+4+10=30Let B be the event of choosing a biography book thenProbability of the book chosen is a biography P(B)=[tex]=\frac{biography\ books}{total\ books}=\frac{4}{30}=\frac{2}{15}[/tex]Therefore, Probability of the book chosen is a biography is  [tex]\frac{2}{15}[/tex].
solved
general 4 months ago 2568