Question

class 10A there are 30 boys and 20 girls . In 10B there are 40boys and 30 girls . One student is to be selected from each class .In how many many different ways we can select a pair of students , one from each class ? b) What is the probability of both being boys ? c) What is the probability of getting one boy and one girl ? d) What is the probability of getting atleast one boy ?
​

Answer 1

Answer:

a)1/4

b)9/40

c)0.625

Step-by-step explanation:

(20/50)×(25/40)=1/4

(30/50)×(15/40)=9/40

for one boy & one girl,

((30/50)+(15/40))×((20/50)+

(25/40))=0.625

Plz mark me as brainliest

Answer 2

Answer:

hsysjakisiuw we are wo bhi aa gye h to shayad time to go home to get the door is your name on there but time got bola tha to bat kr do apni you have a great time in hind leg and foot is still a new road opened up a new account Khali is your dayji you have a great day today I know I love you and Kya h to shayad you can do that because of the door is right next door to get my hair cut so beautiful