Question

one card is drawn from the number cards numberd from 10 to 21.find the probability that card may be prime number or even number card..​

Answer 1

Answer:

prime numbers between 10 and 21=11,13,,17,19

even numbers=12,14,15,16,18,20

probability of card be prime no.=4/10=2/5

probability of card be even no.=6/10=3/5

Answer 2

Answer:

4/11 and 6/11

Step-by-step explanation:

10,11,12,13,14,15,16,17,18,19,20 are the numbers in btw 10 to 20

=> 1. p(getting prime number card) = no. of outcomes /total no. of outcomes

no. of outcomes are 4 (11,13,17,19)

total outcomes are 11

= 4/11

=> 2. p(getting an even number card)

no. of outcomes are 6 (10912,14,16,18,20)

total are 11

=6/11