Sod , the grass that will be used to cover the rectangular section , costs $0.03 per square foot what is the best estimate for the cost of the sod needed to renovate the graden

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