ten of the 50 digital video recorders (dvrs) in an inventory are known to be defective. what is the…

ten of the 50 digital video recorders (dvrs) in an inventory are known to be defective. what is the probability that a randomly selected item is defective? the probability is . (type an integer or a decimal. do not round.)

ten of the 50 digital video recorders (dvrs) in an inventory are known to be defective. what is the probability that a randomly selected item is defective? the probability is . (type an integer or a decimal. do not round.)

Answer

Explanation:

Step1: Identify total and favorable

Total number of DVRs is 50, number of defective DVRs is 10.

Step2: Apply probability formula

Probability $P=\frac{\text{Number of favorable outcomes}}{\text{Total number of outcomes}}=\frac{10}{50}$

Answer:

$0.2$