Mathematics, 26.02.2021 04:20 ayanajames0928

X is a discrete random variable with probability mass function. P(x)=cx to the 2nd power for x=1/4,1/2,3/4,1
Find the value of c.
Find the expected value of X.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:00, denisebaslee15

Of four points are collinear, they are also coplanar

Answers: 2

continue

Mathematics, 21.06.2019 15:00, vnzgirl

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Answers: 1

continue

Mathematics, 21.06.2019 16:00, aons

What value of x will make the triangles similar by the sss similarity theorem?

Answers: 3

continue

Mathematics, 21.06.2019 22:00, ashuntihouston14

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

Answers: 3

continue

You know the right answer?

X is a discrete random variable with probability mass function. P(x)=cx to the 2nd power for x=1/4,...