3. What is the minimum sample size needed if the margin of error you want is E = 8.5 grams and the sample standard deviation is S= 68.5 grams? PLEASE HELP AND DON'T SPAWM WILL REPORT IF SPAWN

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.

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?