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sriggins1375
18.01.2022 •
Mathematics
The cost of a chandelier is $280, and it sells for $439. Find the percent of markup on cost.
O 49%
O 66%
O 57%
O 38%
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Ответ:
Kim rolls a dice and flips a coin.
For coin: we have either H or T
For dice: we have 1, 2, 3, 4, 5 or 6
On a coin, the probability of heads:![\frac{1}{2}](/tpl/images/1155/8588/9cdae.png)
On a dice, the probability of getting 2 :![\frac{1}{6}](/tpl/images/1155/8588/c8870.png)
Hence, the probability of getting a 2 and a head is
So, the probability that Kim gets a 2 and a head is![\frac{1}{12}](/tpl/images/1155/8588/aba7e.png)