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anzhelika [568]
2 years ago
7

Four girls and six boys are in a Spanish club. Three of the people will be chosen at random to represent the group in a photogra

ph. What is the probability that one girl and two boys will be chosen? 40% 50% 60% 70%
Mathematics
2 answers:
Eddi Din [679]2 years ago
6 0

Answer:

50%

Step-by-step explanation:

snow_tiger [21]2 years ago
3 0

Answer:50 %

Step-by-step explanation:

Given

There are 4 girls and 6 boys in a club

Probability of choosing 1 girl and 2 boys is

=\dfrac{\text{No of ways of choosing 1 girl and 2 boys }}{\text{No of ways of choosing 3 member out of 10 member}}

No of ways of choosing 1 girl and 2 boys=^4C_1\times ^6C_2

P=\dfrac{^4C_1\times ^6C_2}{^{10}C_3}

P=\dfrac{4\times 15}{10\times 3\times 4}

P=\dfrac{15}{30}=\frac{1}{2}

i.e. 50\%

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A die is rolled 20 times. given that three of the rolls came up 1, five came up 2, four came up 3, two came up 4, three came up
Serjik [45]

Solution:

Number of times a die is rolled = 20

1 - 3=A

2 - 5=B

3 - 4=C

4 - 2=D

5 - 3=E

6 -  3=F

Total number of arrangements of outcomes , when a dice is rolled 20 times given that 1 appear 3 times, 2 appears 5 times, 3 appear 4 times, 4 appear 2 times , 5 appear three times, and 6 appear 3 times

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= 6! × [ 3! × 5! × 4!×2!×3!×3!]

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8 0
3 years ago
Solve the inequality ​
KonstantinChe [14]

Answer:

B

Step-by-step explanation:

Given

7 + x ≤ 10 ( subtract 7 from both sides )

x ≤ 3 → B

6 0
3 years ago
Read 2 more answers
Johnny has 200 cupcakes he gave 10 to You and 20 to Your Teacher how many cupcake you gave away
Ilya [14]

Answer:

30 cupcakes

Step-by-step explanation:

10+20 equal 30

4 0
3 years ago
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Can someone please help me??? Please help and be right :)
Nesterboy [21]
There you go hope that’s helps !!!

5 0
3 years ago
Please help! i really need help with this! question is below!
ira [324]

Step-by-step explanation:

Area of the square:

a^2: 4^2=16in^2

Area of the circle:

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Probability of landing on white part:

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