Guys please help me i will give brainliest to the one who answers correctly​

Volume of cylinder with a radius of 8cm and height of 25 cm

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Need this asap if anyone can i would be very grateful. if you could show workings that would really