the greeting card industry sells over 6 billion cards annually. women purchase 80% of all greeting cards soold. how many cards do women purchase annually?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics