What proportion of customers selected the deluxe car wash? O 0.1698
O 0.2264
O 0.5283
O 0.5584

Ill mark the brainliest if you me with the these three questions 7,8,9

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

With this problem-elena cycled to school. find the distance travelled by elena if her bicycle wheels rotated 840 times and the radius is 0.25 m.