52, i am so sorry this is probably incorrect
I believe that the answer is a
Answer:

Step-by-step explanation:
Given
Electrician = 6
Mechanic = 8
Required
Determine the probability of selecting an electrician
First, we need the total number of employees;



Next, is to determine the required probability using the following formula;


Divide numerator and denominator by 2

<em>Hence, the probability of selecting an electrician is 3/7</em>
For something to float the buoyant force ( force pushing up on the object to keep it floating) needs to equal the weight of the object
the answer would be: <span>weight of the ball</span>