Complete Question
The complete question is shown on the uploaded image
Answer:
1 ) The correct option B
2) The correct option is C
3) The correct option is C
4) The correct option is C
Step-by-step explanation:
From the question we are told that
The proportion that own a cell phone is 
The sample size is n = 15
Generally the appropriate distribution for X is mathematically represented as

So

Generally the number students that own a cell phone in a simple random sample of 15 students is mathematically represented as



Generally the standard deviation of the number of students who own a cell phone in a simple random sample of 15 students is mathematically represented as

Where q is mathematically evaluated as





Generally the probability that all students in a simple random sample of 15 students own a cell phone is mathematically represented as

From the combination calculator is 


Answer:
This: Im sorry but, I can't type it all, I just looked up some help.
Step-by-step explanation:
You can rewrite the equation as
5
x
−
3
x
+
8
=
−
10
Then
5
x
−
3
x
=
2
x
So
2
x
+
8
=
−
10
Then, to move the whole numbers to one side, you subtract
8
from both sides
2
x
=
−
18
To get rid of the
2
in front of the
x
, divide both sides by
2
x
=
−
9
the first one is left and the second one is up
To do his work that he didn't want to do.
Answer:72
Step-by-step explanation: