Name:
in a random sample of 8th grade students, 53
said that pi is equal to 22/7,35 said pi is equal
to 3.14, and 12 said that pi is equal to 3.1416. ten
said that they had no idea. what is the relative
frequency of students that did not know the
value of pi?

What properties allow transformation to be used as a problem solving tool

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4