Answer:
1/9
Step-by-step explanation:
There are three places and three people.
Times them together for the total outcomes:
1/3 x 1/3= 1/9
4/50 as a decimal is .08
Divide 4 by 50
The expected value of the inseam length of the jeans is found as
30% of 30+ 25% of 32+ 10% of 34+ 10% of 36 + 10% of 38 + 15% of 40
= 
= 
Hence, the third option 33.8 is the correct expected value.
DONT DELETE MY ANSWER IM GOING TO HELP HIM/HER
A = a+b/2 x h
Add sides a and b then divide by 2
After that multiply by the h