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2 years ago

Help quick urgently

Mathematics

2 answers:

Setler [38]2 years ago

7 0

Answer:

We need a more clearer image all we have are add subtract and multiply and there are no definitions or numbers

Step-by-step explanation:

We need a more clearer image all we have are add subtract and multiply and there are no definitions or numbers

dedylja [7]2 years ago

6 0

The answer is add because you are trying find the total and this is not multiplication situation

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From a group of 8 volunteers, including Andrew and Karen, 4 people are to be selected at random to organize a charity event. Wha

Helga [31]

Answer:

The correct option is D. 2/7

Step-by-step explanation:

Consider the provided information.

There are 8 volunteers including Andrew and Karen, 4 people are to be selected at random to organize a charity event.

We need to determine the probability Andrew will be among the 4 volunteers selected and Karen will not.

We want to select Andrew and 3 others but not Karen in the group.

Thus, the number of ways to select 3 member out of 8-2=6

(We subtract 2 from 8 because Andrew is already selected and we don't want Karen to be selected, so subtract 2 from 8.)

The required probability is:

$\dfrac{^6C_3}{^8C_4}=\dfrac{\frac{6!}{3!3!}}{\frac{8!}{4!4!}}\\\\\\\dfrac{^6C_3}{^8C_4}=\frac{20}{70}\\\\\\\dfrac{^6C_3}{^8C_4}=\dfrac{2}{7}$

Hence, the correct option is D. 2/7

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Answer:

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Step-by-step explanation:

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