Graph the function f(x) = 6(x + 6)^2
1 answer:
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Answer:
The proportion of customers who used coupons within the last 2 years is 0.1089.
Step-by-step explanation:
A proportion is the number of desired outcomes divided by the number of total outcomes.
Proportion of customers who used coupons within the last 2 years.
Desired outcomes:
Number of receipts which are discounted by coupons, which is 49
Total outcomes:
Total number of receipts, which is 450
Proportion:
The proportion of customers who used coupons within the last 2 years is 0.1089.
Answer:
a = 20
Step-by-step explanation:
The mean is calculated as
mean =
= =
Then
= 27 ( multiply both sides by 5 to clear the fraction )
115 + a = 135 ( subtract 115 from both sides )
a = 20