The population standard deviation for the age of a certain University students is 10 years. If we want to be 90% confident that the sample mean age is within 3 years of the true population mean age of the University students, then how many randomly selected students must be surveyed?

well we know there are 4 clubs in 52 cards so it’s replaced so it should be 3/51

step-by-step explanation:

what

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.