Can someone explain this? here is answer also
...
Answers: 3
Mathematics, 21.06.2019 17:00
When only separate discreet points are graphed it is called?
Answers: 1
Mathematics, 21.06.2019 20:00
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
Mathematics, 21.06.2019 20:30
8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?
Answers: 1
Mathematics, 21.06.2019 21:40
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
Mathematics, 08.07.2019 00:30
Mathematics, 08.07.2019 00:30
English, 08.07.2019 00:30
Health, 08.07.2019 00:30
Mathematics, 08.07.2019 00:30
Geography, 08.07.2019 00:30
Mathematics, 08.07.2019 00:30
Mathematics, 08.07.2019 00:30
Mathematics, 08.07.2019 00:30
Advanced Placement (AP), 08.07.2019 00:30
Biology, 08.07.2019 00:30