Para preparar galletas se nesesita mezclar en un resipiente 3 /8 de un paquete de 400 g de azucar, 1 /2 de un paquete de mantequilla el total de gramos de los ingredientes es de

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Match each function with its rate of growth or decay

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers