![subject](/tpl/images/cats/mat.png)
Mathematics, 19.02.2020 20:40 jcarver2494
The probability that a randomly selected box of a certain type of cereal has a particular prize is 0.20.
Suppose that you purchase box after box until you have obtained 2 of these prizes.
(a) What is the probability that you purchase exactly 8 boxes?
(b) What is the probability that you purchase at least 9 boxes?
(c) How many boxes would you expect to purchase, on average?
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30
If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
Joanie watched 1 out of three of a movie in the morning
Answers: 1
You know the right answer?
The probability that a randomly selected box of a certain type of cereal has a particular prize is 0...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.12.2019 03:31
![question](/tpl/images/cats/biologiya.png)
Biology, 16.12.2019 03:31
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 16.12.2019 03:31
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.12.2019 03:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 16.12.2019 03:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 16.12.2019 03:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 16.12.2019 03:31
![question](/tpl/images/cats/mat.png)
Mathematics, 16.12.2019 03:31
![question](/tpl/images/cats/mat.png)
Mathematics, 16.12.2019 03:31
![question](/tpl/images/cats/mat.png)
Mathematics, 16.12.2019 03:31
![question](/tpl/images/cats/mat.png)
Mathematics, 16.12.2019 03:31