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lianna [129]
3 years ago
5

In a bag, there are 5 cards numbered 1 to 5. Each time a card is randomly selected, it I'd replaced in the bag. What is the prob

ability Marsha will select an even-numbered card first and then an odd-numbered card?
Mathematics
2 answers:
pav-90 [236]3 years ago
6 0
There is a 2 out of 5 chance of pulling an even\frac{2}{5}
there is a 3 out of 5 chance of pulling an odd the second time\frac{3}{5}

\frac{2}{5}*\frac{3}{5}=\frac{6}{25}

there is a 6 out of 25 chance of it happening in that order
sweet [91]3 years ago
3 0

Out of 5 cards in the bag ...

-- There are 2 even numbers . . . 2 and 4 .

-- There are 3 odd numbers . . . 1, 3, and 5 .

So EITHER time, the probability of pulling an even number is  2/5 ,
and the probability of pulling an odd number is  3/5 .

The probability of pulling an even number the first time
AND an odd number the second time is

       (2/5) x (3/5)  =  6/25  =  <em>24%</em> .

 
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3 years ago
7^8 divide by 7y =7^6 find the value of y
lisabon 2012 [21]
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7 0
3 years ago
In how many ways can we rearrange the digits in the number 12321? With formula and not just listing the numbers.
Archy [21]

Answer:

With a 5-digit number, you have 5 choices for the first digit. There will be 4 digits left so you have 4 choices for the second digit. After you have chosen the first 2 digits there will be 3 remaining so you will have 3 choices for the third digit. Hence there are 2 choices for the fourth digit and only 1 choice for the fifth digit. Thus you have made 5 × 4 × 3 × 2 1 = 120 choices and there are 120 possible 5 digit numbers made from 1, 2, 3, 2 and 1

7 0
3 years ago
Does 2^8 equal (3sqrt{16})^6
ale4655 [162]

Answer:

Does 2⁸ = (3√16)⁶? No.

Step-by-step explanation:

2⁸ = (3√16)⁶

Evaluate 2⁸. This can simply be written out as:

2 * 2 * 2 * 2 * 2 * 2 * 2 * 2

4 * 2 * 2 * 2 * 2 * 2 * 2

8 * 2 * 2 * 2 * 2 * 2

16 * 2 * 2 * 2 * 2

32 * 2 * 2 * 2

64 * 2 * 2

128 * 2

256.

256 = (3√16)⁶

Evaluate √16.

256 = (3*4)⁶

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256 = 12⁶

Evaluate 12⁶. This can be rewritten as:

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20736 * 12 * 12

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2985984.

Since 256 ≠ 2985984, the answer to this question is no.

4 0
2 years ago
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