A un institut, dos de cada tres alumnes fan servir una mascareta reutilitzable i, tres de
cada cinc prefereixen portar-ne una d’un sol ús.
Quin tipus de mascareta és el més emprat en
aquest institut?

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?

On monday, the water was shut off 3 times for 1/4 hours, 2/3 hours, and 1-3/4 hours, respectively. what was the tireless number of hours the water was off?

Which of these could you find on a credit report? check all that apply. previous address current employer highest level of education completed bankruptcy and a civil court case monthly income late credit card payments