I wrote out the steps on the attached slide. I hope I'm able to help you, Sweetie.
Answer:
the first one:)))
Step-by-step explanation:
8 soccer cards and 4 baseball cards in one box, 6 soccer cards and 3 baseball cards in another box
6.666666 and so on so about 7
Answer:
a) 22.94 psi
b) 
Step-by-step explanation:
a)The pressure at which will trigger a warning is
31 - 31*0.26 = 22.94 psi
b) The probability that that the TPMS will trigger warning at 22.94 psi, given that tire pressure has a normal distribution with average of 31 psi and standard deviation of 2 psi

where x = 22.94, 


Answer:
2
Step-by-step explanation: