Mathematics, 06.09.2019 03:30 idk5233
Table below shows probability distribution of siblings of students in a high school of 1500. what is expected value for the number of siblings of a randomly chosen student?
number of siblings- 0, 1, 2, 3, 4, 5
probability- 0.19, 0.67, 0.08, 0.03, 0.02, 0.01
a. 2.5
b. 1.05
c. 1.24
d. 1.14
Answers: 3
Mathematics, 22.06.2019 00:30
If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?
Answers: 3
Mathematics, 22.06.2019 06:10
How are the solutions for |x +4|< -2 and |x +4| < 2 different? a they are not different, because the inequality is an absolute valueb the first inequality has no solution because absolute value cannot be negativec for one the solution is benveen two numbers. for the other, the solution is outside of the twonumbersd. for one the solution is a range of positive numbers, for the other, the solution is a range of negativenumbers
Answers: 2
Table below shows probability distribution of siblings of students in a high school of 1500. what is...
English, 02.02.2021 18:00
Physics, 02.02.2021 18:00
Geography, 02.02.2021 18:00
Computers and Technology, 02.02.2021 18:00
Physics, 02.02.2021 18:00
Mathematics, 02.02.2021 18:00
History, 02.02.2021 18:00
Mathematics, 02.02.2021 18:00
Geography, 02.02.2021 18:00
Mathematics, 02.02.2021 18:00