Answer:
The mode is 15
Step-by-step explanation:
Multiply the demand values by the weights and report the sum.
0.15×3,500 +0.20×3,800 +0.25×3,500 +0.40×4,000 = 525 +760 +875 +1600
= 3,760
The weighted moving average forecast for the 5th period is 3,760.
Hannah has 
liters of oil left in the bottle.
Step-by-step explanation:
Given,
Quantity of oil in bottle = 4 liters
Quantity used by Hannah = 
We will subtract the quantity used from the total quantity.
Oil left = Total oil - Oil used
Taking LCM
Hannah has liters of oil left in the bottle.
Keywords: fraction, subtraction
Learn more about fractions at:
#LearnwithBrainly
The event space of getting exactly one tail is {HT, TH}
The sample space is {HH, HT, TH, TT}
There are two ways to get exactly one tail, out of 4 total possible outcomes.
So 2/4 = 1/2 is the answer
