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Sindrei [870]
2 years ago
10

There's a special at the Steak Palace: 3 rib-eyes for $30.45. Tanya's having a big steak party at her place, and

Mathematics
1 answer:
zvonat [6]2 years ago
5 0

Answer:

Her total cost will be  $274.05

Her total cost will be  $274.05

Based on the condition given:

3 rib-eyes = $30.45  

Tanya needs 27 steaks to feed to each person so according to the question :

 1 steak will cost  = $30.45 /3

                                = $10.15

27 steaks will cost = $10.15 *27

                                 = $274.05

So, It will cost her total of $274.05

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3 years ago
You pick a card at random from an ordinary deck of 52 cards. If the card is an ace, you get 9 points; if not, you lose 1 point.
Andreyy89

Answer:

a = 9\\b = 48\\c = -1

Step-by-step explanation:

We know that:

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The probability of not getting an ace is:

P ('x) = 1-4 / 52

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In this problem the number of aces obtained when extracting cards from the deck is a discrete random variable.

For a discrete random variable V, the expected value is defined as:

E(V) = VP(V)

Where V is the value that the random variable can take and P (V) is the probability that it takes that value.

We have the following equation for the expected value:

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3 0
3 years ago
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