In a batch of 21 pedometers 3 are believed to be defective A

Last updated: 6/17/2023

In a batch of 21 pedometers 3 are believed to be defective A quality control engineer randomly selects 6 units to test Let random variable X the number of defective units that are among the 6 units tested a Find the probability mass function f x P X x and sketch its histogram b Find P X 1 What does this number represent c Find P X 1 What does this number represent Using the hypergeometric probability distribution model set up an expression that can be used to find a single ordered pair in the probability mass function f x P X x QB 8 a Find the probability mass function f x P X x f x P X x SOA f x Type an ordered pair Use a comma to separate answers as needed Round to five decimal places as needed Let x the number of defective pedometers among the 6 units tested and let y f x Choose the correct histogram below AY 0 7 0 67 0 5 nA Simplify your answers Q O B Ay 0 7 0 6 0 54 04 Q O C AY 0 7 0 6 0 54 ni Q O D AY Submit quiz 0 74 0 6 0 5