Se quiere evaluar si existe relacion entre el resultado de pcr y el contacto estrecho con un positivo, que prueba de hpotesis se deberia emplear

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?