Mathematics, 15.12.2020 23:30 ayoismeisjjjjuan
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-coln flip. This distribution is represented in the table.
No. of Heads Probability
0
1
1
16
N
6
16
3
3
4
16
4
1
Given the data in the table, what is the expected number of books rented in one hour?
Answers: 1
Mathematics, 21.06.2019 14:30
Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?
Answers: 2
Mathematics, 21.06.2019 14:30
Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left
Answers: 3
Mathematics, 21.06.2019 16:50
Line l passes through points (0,4) and (3,6) what is the slope of a line that is parallel to line l -2/3 -3/2 2/3 3/2
Answers: 1
A bookstore rents books to students for $2 per book. The cost per hour of running the bookstore is $...
History, 21.09.2020 18:01
Mathematics, 21.09.2020 18:01
Mathematics, 21.09.2020 18:01
Mathematics, 21.09.2020 18:01
Physics, 21.09.2020 18:01
English, 21.09.2020 18:01
Mathematics, 21.09.2020 18:01
History, 21.09.2020 18:01
English, 21.09.2020 18:01