John's House of Pancakes uses a weighted moving average method to forecast pancake sales. It assigns a weight of 5 to the previ
1 answer:
Answer:
B. 1,622
Step-by-step explanation:
The weighed average is each value multiplied by it's weight divided by the sum of the weights.
In this problem we have that:
Weight of 5 to the previous month demand. The number of pancakes in July was 1000.
Weight of 3 to the demand of two months ago. The number of pancakes in June was 2200.
Weight of 1 to the demand of three months ago. The number of pancakes in May was 3000.
So, the forecast for August is:
The forecast for August is a demand of 1622 pancakes. Letter B.
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Answer:
A person can select 3 coins from a box containing 6 different coins in 120 different ways.
Step-by-step explanation:
Total choices = n = 6
no. of selections to be made = r = 3
The order of selection of coins matter so we will use permutation here.
Using the formula of Permutation:
nPr =
We can find all possible ways arranging 'r' number of objects from a given 'n' number of choices.
Order of coin is important means that if we select 3 coins in these two orders:
--> nickel - dime - quarter
--> dime - quarter - nickel
They will count as two different cases.
Calculating the no. of ways 3 coins can be selected from 6 coins.
nPr = =
nPr = 120