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murzikaleks [220]
2 years ago
13

The mean price of a new laptop computer from Store #1 is $799.99, and they only sell two brands of computers. The mean price of

a new laptop from another store is $679.99, and Store #2 sells 4 brands. What is the weighted mean average of a new laptop computer?
Select one:

a. $703.99

b. $719.99

c. $739.99

d. $759.99
Mathematics
1 answer:
Sati [7]2 years ago
6 0
<span>                                                     value
Weighted mean average = ---------------------------
                                              number of brands


value = mean price of computers from Store #1 * number of brands from store #1 + mean price of computers from store #2 * number of brands from store #2

value =  $799.99 * 2 +  $679.99 * 4 = $4,319.94

number of brands = 2 + 4 = 6

weighted average = $4,319.94 / 6 = $ 719.99

Answer: option b. $719.99
</span>
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