4 years ago

One card is drawn form a standard deck of 52 cards. What is the probability of P(jack or red)

Mathematics

2 answers:

bazaltina [42]4 years ago

7 0

2/52 which simplifies down to 1/26

Phantasy [73]4 years ago

6 0

Red card 26/52 + 4/52 - 2/52

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Step-by-step explanation:

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3 years ago

Help me with this question

soldi70 [24.7K]

Radius=4.2m

$\\ \bull\tt\dashrightarrow Diameter=2(Radius)$

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3 years ago

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A zoo keeper used 15 bags of acacia leaves to feed the giraffes and 8 bags of eucalyptus leaves to feed the koalas. Write a rati

8090 [49]

Answer: 15:8

Step-by-step explanation:

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Eucalyptus leaves=8 bags

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3 years ago

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insens350 [35]

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17 is the answer

Step-by-step explanation

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3 years ago

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Find the missing probability.<br> P(A) = 0.4; P(B) = 0.7; P(A or B)<br> ; P(A and B) = 0.3

solong [7]

Given:

$P(A)=0.4, P(B)=0.7, P(A\text{ and }B)=0.3$

To find:

The value of $P(A\text{ or }B)$ .

Solution:

We know that,

$P(A\text{ and }B)=P(A\cap B)$

$P(A\text{ or }B)=P(A\cup B)$

It means, we have $P(A)=0.4, P(B)=0.7, P(A\cap B)=0.3$ and we need to find the value of $P(A\cup B)$ .

$P(A\cup B)=P(A)+P(B)-P(A\cap B)$

$P(A\cup B)=0.4+0.7-0.3$

$P(A\cup B)=1.1-0.3$

$P(A\cup B)=0.8$

Therefore, the value of $P(A\text{ or }B)$ is 0.8.

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3 years ago