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gavmur [86]
3 years ago
5

Help fast please I need to finish this before tomorrow and I need help

Mathematics
1 answer:
nevsk [136]3 years ago
7 0
The correct answer is 2
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a university received 9 applications for three postdoctorate fellowships. five of the applicants are men and four are women. fin
frozen [14]

There are 9C_3 ways to select 3 from 9.

There are 5C_3 ways to select 3 men from 5 men and 4C_3 ways to select 3 women from 4 women.



If all three selected are men, then no woman was selected, and we have

5C_3 \times 4C_0 ways we can do that.



1)



P(All -3 -are -men)=[tex]\frac{5C_3 \times 4C_0}{9C_3}=\frac{5}{42}





2) If all 3 are women then no man was selected, and we have

5C_0 \times 4C_3 ways we can do that.


P(All- 3- are- women)=\frac{5C_0 \times 4C_3}{9C_3}=\frac{1}{21}



3) If 2 men and 1 woman were selected, the we have 5C_2\times 4C_1 ways we can do that.


P(2 -men -1 -woman)=\frac{5C_2\times 4C_1}{9C_3}=\frac{10}{21}




4) If 2 women and 1 man is selected, then we have  5C_1 \times 4C_2

P(2- women- 1 -man)=\frac{5C_1\times 4C_2}{9C_3}=\frac{5}{14}



8 0
4 years ago
Read 2 more answers
6- Nov 19 P1 #
denis23 [38]

Answer:

a=14

b=6

c=5

Step-by-step explanation:

x-6\sqrt{x}  + 4 = 0

x +4 =6\sqrt{x}

x^2 + 8x + 16 = 36x

x^2 - 28x + 16 = 0

14 ±6\sqrt{5}  

 

4 0
3 years ago
If xy=2√3 the value of x^4+y^4=?​
Andreyy89

Step-by-step explanation:

wrong question or incomplete question

4 0
2 years ago
PERCENTS!! <br><br> due today help!!!! (:
kvv77 [185]
The answer is C. $144
6 0
3 years ago
Determining the slope A(-1 ,3) B (-2 , 5 )
Helga [31]
A(-1,3), B(-2,5)

Slope equation : (y₂-y₁) / (x₂-x₁)

Plug in the values into the equation.

AB = (5 - 3) / (-2+1)

Simplify.

AB = 2 / -1

AB = -2

So, your slope is -2.

~Hope I helped!~
6 0
4 years ago
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