Suppose unattached earlobes are a dominant trait. phil and maggie both have unattached earlobes but their daughter, celia, does not. if phil and maggie have a second child, what is the probability that he or she will have attached earlobes?

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?

Find the distance between c and d on the number line c=3 and d=11

Roy has 4 1/2 pizzas for the soccer team to split after the game. if each member is going to get 1/2 of a pizza, how many players are on the soccer team