Answer:
0.6535
Step-by-step explanation:
Given that during a one-hour period twenty-five customers buy gasoline at this station.
Let X be the no of persons out of these 25 who pay by cash.
X has two outcomes and each trial is independent of other.
Hence X is binomial (n=25, p=0.40)
Required probability
=
=0.6535
Answer:
Option D - 60
Step-by-step explanation:
Given : Connor made 9 shapes with straws. Each shape had 5 straws. Conor used 15 more straws to make more shapes.
To find : What is the total number of straws Connor used to make all the shapes?
Solution :
To make 1 shape Connor required 5 straws.
To make 9 shape connor required straws.
Now, there were 45 straws.
Conor used 15 more straws to make more shapes.
The total number of straws Connor used to make all the shapes are
Therefore, Option D is correct.
Cannor used 60 straws to make shapes.