The is a 50% chance of being a boy or a girl.....previous siblings do not matter. Every child is an independent event. So even if u had 2 siblings that were boys, the result of the next one being a boy is still gonna be 50%...just as the odds of it being a girl, is 50% as well.
Fr we need the measurements to do the work bro
Positive linear association !
Multiply the z-score by the standard deviation:
2 x -1.5 = -3
Now add that to the mean:
49 + -3 = 46 inches.
Answer:
The answer is: 
Step-by-step explanation:
We are given:
and 
We need to find
.
Simply divide
and
.
Which equates to:

This cannot be simplified further, so it is the answer.