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Alekssandra [29.7K]
3 years ago
6

The tree diagram below shows all of the possible outcomes for flipping three coins.

Mathematics
2 answers:
creativ13 [48]3 years ago
8 0

The probability that two of the coins will be tails is 1/2

It is 1/2 because "at least two tails" means that two tails and the rest of the number of tails, which is 3. In total the three coins have 6 sides. The chance of having two tails and one is three out of 6, simplified is 1/2 ;)

Ghella [55]3 years ago
8 0

Answer:

Option C is correct.

Step-by-step explanation:

From given tree Diagram.

Total No of Outcome = 8

Let E be the event in which atleast 2 coins shoes tails.

Favorable outcome = { (H,T,T) , (T,H,T) , (T,T,H) , (T,T,T) }

⇒ No. of favorable outcome = 4

Probability\:of\:event\:E=\frac{No\:of\:favorable\:outcome}{Total\:no\:of\:outcome}

P(E)=\frac{4}{8}=\frac{1}{2}

Therefore, Option C is correct.

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3 years ago
7 less than the product of a number and 8, increased by a number multiplied by 2
nataly862011 [7]

The expression for 7 less than the product of a number and 8, increased by a number multiplied by 2 is 8n-7 +2n

Given :

7 less than the product of a number and 8, increased by a number multiplied by 2

We need to write the given statement in an expression

Lets 'n' be the unknown number

the product of a number and 8

Product means multiplication

the product of a number and 8 mean n times 8 that is 8n

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Learn more : brainly.ph/question/1023996

3 0
2 years ago
Incorrect
GaryK [48]

Answer:

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Step-by-step explanation:

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3 years ago
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