Solution: The given random experiment follows Binomial distribution with 
Let 
be the number of adults who use their smartphones in meetings or classes.
Therefore, we have to find:
We know the binomial model is:
Therefore, the probability that fewer than 3 of them is 0.1111
Answer:
Yes
Step-by-step explanation:
I think it is proportional relationship. I hope my answer help you.
Answer:
A= 14 B=17 C=20 D=26
Step-by-step explanation:
Not 100% sure this is what you needed but this is my try.
Answer:
the 3rd one
Step-by-step explanation:
an open circle means equal to and x is equal to or greater than and the line is going past 9
Answer:
12
Step-by-step explanation:
Use the pythagorean theorem (
). A and b are the two legs of the triangle, and c is ALWAYS the hypotenuse. Plug in the values for a and c
