Search 75,711 tutors
FIND TUTORS
Ask a question

Ask questions and get free answers from expert tutors

Math Answers  

Most Active Answered Newest Most Votes

Probability

The distribution of the width of a standard piece of computer paper is normal with an expectation of 8.5 inches and the standard deviation of 0.2 inch.   a) Find the probability that...

Density Function

The density function of a random variable X is given by f(x)= 1/(7√2π) e^(-?(x+3.6)?^2/98)   Find its (a) math expectation (b) variance and (c) distribution funct...

(3x -1) + (9x^2 -1)

its been 1 year since my teacher taught me this.. so I can't remember now xD pls reply :)   I think there is no answer because you can't add with different exponents  

Fair eight sided die

We have a fair eight-sided die. a. Find the math expectation of a single roll. b. Find the math expectation of the numerical sum of 4 rolls. c. Find the math expectation of the numerical...

classify the function

Classify the function f(t)=4t4+8t3-8t2-3t-3   Choose the correct answer below:   Rational function   Root function   Polynomial   The...

RSS Math Answers RSS feed