Help, i think i got it? but i wanna make sure.

ya thats the write equation i dont know what the adios say but u got the equation right

Step-by-step explanation:

75 tickets have been sold so far.

step-by-step explanation:

in this question it is clearly mentioned that 45 children's tickets have been sold and this number is 60% of the total tickets sold.

now let's assume the total number of tickets sold be x.

then 60% of x = 45

⇒

⇒ x(.6) = 45

by dividing with .6 on both the sides of the equation

⇒ x = 75

therefore 75 tickets have been sold so far.

the expected value of the random variable : 0, 1 and 2

step-by-step explanation: