Question

Bed Day offers savings of $10, $25, $50 and $100 off on their already low price on
bedroom suites. Select a coupon and save the amount on the coupon. There are a total
of 100 coupons with 70, 20, 8 and 2 containing $10, $25, $50 and $100, respectively.
3. Determine the average saving.

Answer 1

Pls help me to find the standard deviation also.

Answer 2

were finding the average

Answer 3

To solve this I'm pretty sure u wanna multiply the coupons in order by the how much the coupon contains in order.

"70, 20, 8 and 2 containing $10, $25, $50 and $100, "

Lets (Multiply) (70) by (10)

\[70\times10=700\]

Now (Multiply) (20) by (25)

\[20\times25=500\]

U wanna (Multiply) (8) by (50)


\[8\times50=400\]


We gonna now (Multiply) (2) times (50)


\[2\times100=200\]

U wanna now (Add) (700) (500) (400) (200) together.

I'd say u simply just wanna add (700) and (500),then (400) and (200) and add the sum of those two together.

\[700+500=1200\]


\[400+200=600\]


\[1200+600=1800\]

Now as we can see it the problem it states "There are a total of 100 coupons"

Basically we wanna (Divide) (1800) by (100)


\[1800\div100=18\]

(18) can also be written as (18.00)

So the average saving would be (18.00) dollars.