Answer:
rate- 6
distance fallen- 18
Step-by-step explanation:
Answer:
I think its the last one
Step-by-step explanation:
Answer:
If our random variable of interest for this case is X="the number of teenagers between 12-17 with smartphone" we can model the variable with this distribution:

And the mean for this case would be:

And the standard deviation would be given by:

Step-by-step explanation:
If our random variable of interest for this case is X="the number of teenagers between 12-17 with smartphone" we can model the variable with this distribution:

And the mean for this case would be:

And the standard deviation would be given by:

It is just 18 :)It is just 18 :)