The maximum speed that an X43A plane can reach is 7,500 miles per hour. At this speed, how many feet can the X43A travel in 1 second? (1 mile = 5,280 feet)

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