Mathematics, 02.08.2021 04:20 Tiny5375

Học phần Toán chuyên đề 1 có 3 lớp học phần, mỗi lớp học phần có 30 sinh viên. Trong đó,lớp học phần thứ 1 có 20 sinh viên nam; lớp học phần thứ 2 có 25 sinh viên nam và
lớp học phần thứ 3 có 15 sinh viên nam.
1) Lấy ngẫu nhiên từ mỗi lớp một sinh viên. Tính xác suất để chọn được 2 sinh
viên nữ.
2) Lấy ngẫu nhiên một lớp. Tính xác suất để lấy được sinh viên nữ từ lớp học phần
đó.

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:50

Name the most appropriate metric unit for each measurement

Answers: 3

Answer

Mathematics, 21.06.2019 20:00

What is the total area of the figure?

Answers: 1

Answer

Mathematics, 21.06.2019 20:40

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Answers: 2

Answer

Mathematics, 21.06.2019 23:00

Which point has an coordinates of (2,0) ? a

Answers: 1

Answer

You know the right answer?

Học phần Toán chuyên đề 1 có 3 lớp học phần, mỗi lớp học phần có 30 sinh viên. Trong đó,lớp học phầ...

Questions

Mathematics, 28.09.2019 02:10

Ms. gomez flies 876 miles round trip to visit her parents. what is the total distance in miles that she would fly for 12 visits to h...

Mathematics, 28.09.2019 02:10

8. (0,9) is an example of what? a. x-intercept b. y-intercept c. z-intercept d. graph...

Social Studies, 28.09.2019 02:10

scenario #2 a decrease in demand has led to a decrease in both price and quantity. what product would you like to say this is...

Social Studies, 28.09.2019 02:10

scenario #1 an increase in demand has led to an increase in both price and quantity. what product would you like to say this i...

History, 28.09.2019 02:10

Me plwhich describes why the declaration of independence was written? a; to justify separating from great britain

Social Studies, 28.09.2019 02:10

Which is an example of an automatic stabilizer? choose the correct answer from the following choices, and then select the submit answer button. answ...

Health, 28.09.2019 02:10

Baby derek sees his mom leave a room and cries. he is only one year old. why is he crying? a. derek thinks his mom is gone for good and doesn'...

Social Studies, 28.09.2019 02:10

In the following question you are asked to determine, other things equal, the effects of a given change in a determinant of demand or supply for produ...

Computers and Technology, 28.09.2019 02:10

Assume the existence of a class arr with two (public) data members: a pointer to integer named arr_ptr, and an integer variable named length that wil...

Mathematics, 28.09.2019 02:10

Abathtub can hold a maximum of 50 gallons of water. water can be drained out of the tub at a rate of 2 gallons per minute. if the tub is initially com...

Business, 28.09.2019 02:10

Which of the following errors, each considered individually, would cause the trial balance to be out of balance? a payment of $148 to a creditor was...

Chemistry, 28.09.2019 02:10

Recognize physical and chemical properties of alcohols question which of the following statements about the -oh group of alcohols is not true? select...

Chemistry, 28.09.2019 02:10

An unknown sample weighing 0.3512g was added to 20.0 ml of cyclohexane. the density of cyclohexane is 0.779g/ml, and the freezing point depression was...

Business, 28.09.2019 02:10

South carolina is facing budget cuts. the number of employees needs to be reduced over the next three years at all state agencies. the state decides t...

Chemistry, 28.09.2019 02:10

How many moles of solute particles are present in 4.98 ml of 0.72 m (nh4)2so4? when you have your answer, take the log (base 10) of your answer and e...

Mathematics, 28.09.2019 02:10

You are standing 41 meters from the base of a building. you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82°...

Chemistry, 28.09.2019 02:10

Calculate the osmotic pressure at 41 degrees c of a 0.078 m solution of glucose. enter your answer using 2 decimal...

Chemistry, 28.09.2019 02:10

Calculate the vapor pressure (in torr) at 298 k in a solution prepared by dissolving 42.4 g of the non-volatile non-electrolye urea {co(nh2)2} in 195...

Chemistry, 28.09.2019 02:10

When 1.04 g of an unknown non-electrolyte is dissolved in 50.0 g of cyclohexane, the freezing point decreased by 3.91 degrees c. if the kfp of the sol...

Chemistry, 28.09.2019 02:10

When 0.491 grams of a protein were dissolved in 44 ml of benzene at 24.4 degrees c, the osmotic pressure was found to be 50.9 torr. calculate the mola...

More questions: Mathematics Another questions