Darren has 2 5/8 gallons of red paint
and 1 5/6 gallons of blue paint. How
many gallons of paint does Darren
have altogether?

My estimate:
#
gallons of paint

gallons

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