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SVETLANKA909090 [29]
2 years ago
15

Three cards are drawn with replacement from a standard deck. What is the probability that the first card will be a club, the sec

ond card will be a red card, and the third card will be an ace? Express your answer as a fraction or a decimal number rounded to four decimal places.
Mathematics
1 answer:
mezya [45]2 years ago
3 0
P(club)=13/52=1/4
P(red)=26/52=1/2
P(ace)=4/52=1/13
P=(1/4)(1/2)(1/13)=1/104
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<h3>Answer: A) 1</h3>

=========================

Explanation:

Let's label each pair of outcomes as an ordered pair (x,y)

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y = second spinner outcome

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Focus on the third column where y = 5 for each (x,y) pair. Of this column only (2,5) has x be an even number. The other results in that column have x be odd.

Basically (1,5) is the only possible outcome if we want the first spinner to lan on an even number, and the second spinner to land on 5.

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3 years ago
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Mrac [35]
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6 0
3 years ago
How do I prove the corresponding angles theorem?
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8 0
3 years ago
The mean of a set of credit scores is Mu = 690 and sigma = 14. Which credit score is within a z-score of 3.3? 634 640 720 750
xz_007 [3.2K]

Answer:

720

Step-by-step explanation:

To solve this question, we would be using the formula for z- score

The formula for calculating a z-score is z = (x-μ)/σ

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σ = sigma = population standard deviation.

From the question, we are given

The mean of a set of credit scores Mu = 690

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This means we are to find x

z = (x-μ)/σ

3.3 = x - 690/ 14

Cross Multiply

3.3 × 14 = x - 690

46.2 = x - 690

x = 690 + 46.2

x = 736.2

Since we are told that it is a range, the closest out of the options given to our calculated x which is 736.2 is 720

8 0
4 years ago
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7 0
3 years ago
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