![subject](/tpl/images/cats/mat.png)
Mathematics, 25.06.2020 02:01 darcyshay62871
A bookstore rents books to students for $2 per book. The cost per hour of running the bookstore is $300. The numbers of books and the probabilities that the bookstore would rent them in an hour mimics the distribution of the outcomes of flipping four coins. The number of books rented was observed to be the same as the number of heads that appear in a four-coin flip. This distribution is represented in the table. No. of Heads Probability 0 `1/16` 1 `4/16` 2 `6/16` 3 `4/16` 4 `1/16` Given the data in the table, what is the expected number of books rented in one hour? A. 1 B. 2 C. 3 D. 4
![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)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m
Answers: 1
You know the right answer?
A bookstore rents books to students for $2 per book. The cost per hour of running the bookstore is $...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.08.2021 22:00
![question](/tpl/images/cats/en.png)
English, 30.08.2021 22:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.08.2021 22:00
![question](/tpl/images/cats/biologiya.png)
Biology, 30.08.2021 22:00
![question](/tpl/images/cats/en.png)
English, 30.08.2021 22:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 30.08.2021 22:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 30.08.2021 22:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.08.2021 22:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.08.2021 22:00