Answer:
I will!!!!!!
Step-by-step explanation:
ok
Answer:
192
Step-by-step explanation:
to find the mean you have to use this formula: mean= N(total number of trials) times P( probability of "success")
n=640
p=0.3
640x0.3= 192
I believe so! The number of texts sent or received by boys is proportional to the number of texts sent or received by girls! Have a nice day!
A is True.
B is false.
Hope this helps!