Question

In a survey of 400 youngsters aged 16-20 years,it was found that 191 have their voter I'D card.if a youngster is selected at random, find the probability that the youngsters does not have their voter I'D card ​

Answer 1

Answer:

209/400

Step-by-step explanation:

In a survey of 400 youngsters aged 16-20 years,it was found that 191 have their voter I'D card.if a youngster is selected at random, find the probability that the youngsters does not have their voter I'D card ​

Survey conducted on 400 Youngsters

Number of youngsters having voter ID card = 191

Number of youngsters not having voter ID card = Total Youngsters - Number of youngsters having voter ID card

=> Number of youngsters not having voter ID card = 400 - 191 = 209

the probability that the youngsters does not have their voter I'D card ​

= Number of youngsters not having voter ID card/ Total Youngsters

=> the probability that the youngsters does not have their voter I'D card ​ = 209/400

Answer 2

Answer: Probability of the youngsters doesn't have Id card = 209/400



Step-by-step explanation:

The number of youngsters survey counts = 400

Step 1- We can find the number of youngsters does have a voter Id card by subtracting the number of youngsters survey counts a number of youngsters doesn't have a voter Id card.

                   400 - 191 = 209

Formula - Probability = Number of youngsters don't have a voter Id card / Number of youngsters counts the survey.

             Probability = 209/400 [Answer]