Answer:
required probability is 0.8413
Step-by-step explanation: Given mean minutes, standard deviation seconds, we need to find . Using z score
So,
1/3 + 7/15 =
4/5
Therefore the answer is 4/5. So Kenneth did 4/5 of his laundry in total.
Hope this helps!
Answer:
Hannah is wrong. The correct answer is 1/3.
1/6÷1/2
(keep, change, flip!)
1/6*2 = 2/6
2/6 = 1/3
I hope this helped you. :)
Answer:
n=80
Step-by-step explanation:
n/4=20
(n/4=20)4 . to get rid of the denominator u multiply by 4 on both sides
n=80