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sergij07 [2.7K]
3 years ago
10

What is the probability that the student attended the jazz concert given that student is a junior

Mathematics
1 answer:
romanna [79]3 years ago
7 0

Answer: C. 0.60

Step-by-step explanation:

From the given table , the number of students are junior : 60

The total number of students = 137

The probability of selecting any junior is given by  :-

\text{P(Junior)}=\dfrac{60}{137}

The number of juniors which who attended Jazz = 36

Then , the probability of selecting a students is junior and attends jazz is given by  :-

\text{P(Junior and Jazz)}=\dfrac{36}{137}

Now, the conditional probability  that the student attended the jazz concert given that student is a junior  will be :-

\text{P(Jazz}|\text{Junior)}=\dfrac{\dfrac{36}{137}}{\dfrac{60}{137}}\\\\\\=\dfrac{6}{10}=0.60

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Answer:

1.  9/25  units^2

2.    s = 1/4 unit

3.    = 8/27  units^3

4.     s = 3/4 unit

Step-by-step explanation:

1.  The area of a square is A=s^2

                                            A = (3/5)^2

                                                 = (3/5) *(3/5)

                                                  = 9/25  units^2

2.   The area of a square is A=s^2

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       Take the square root of each side

                                          sqrt(1/16) = sqrt(s^2)

                                              1/4 = s

                                            s = 1/4 unit

3.  The volume of a cube is V = s^3

                                             V = (2/3)^3

                                                 = (2/3) (2/3) (2/3)

                                                  = 8/27  units^3

4.The volume of a cube is V = s^3

                                          27/64 = s^3

Take the cube root of each side

                                         (27/64)^(1/3) = (s^3)^(1/3)

                                               3/4 = s

                                                     s = 3/4 unit












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