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.
3x1000+2x100+4x10+6x1+7x(1/10)+8x(1/100)
The equation is 49 times .15 which equals 7.35 then you add that to 49 which equals 56.35. Hope that helps and sorry if its wrong
Hello there.
What is the reference angle in radians for 1380°?
Answer: 60
You have to multiply the number of people times the number of cookies they are each supposed to get
So, 28 x 3 = 84 cookies