The diameter of an electric cable, Say X. is assumed to be continuous random variable with p. d.f f(x) = 6x(1-.x), 0 ⩽ x ⩽ 1

A) Determine a number b such that P(x < b) =P(X >b).

B) Find the mean of X​

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%