the two - way table shows the number of books of each type in elizas home. what is the probability that a…
the two - way table shows the number of books of each type in elizas home. what is the probability that a randomly selected reference book is hardcover? 0.25 0.4 0.6 0.75
Answer
Explanation:
Step1: Identify relevant numbers
Number of hard - cover reference books is 10, total number of reference books is 25.
Step2: Calculate probability
Probability formula is $P=\frac{\text{Number of favorable outcomes}}{\text{Total number of outcomes}}$. So $P=\frac{10}{25}$.
Step3: Simplify fraction
$\frac{10}{25}=\frac{2}{5}=0.4$
Answer:
0.4