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:
Answer:
I am gonna take a guest and say <em>178</em> for number 3. And for number 4, the answer is <em>44.</em>
Step-by-step explanation:
For number 3, I added 76 and 102 which equals 178. For number 4, I put n+6+3n-10=180 because its a triangle. Do the math and you get n=44. Correct me if I am wrong; I tried my best.
Answer:
2
Step-by-step explanation:
It looks like figure A shows lower scores since it doesn't start at 0
Answer:
4/663
Step-by-step explanation:
(4/52)×(4/51)
= 4/663
= 0.00603
Answer:
2 2/3
Step-by-step explanation:
