Homework 7 Answers

BSTA 550

Modified

November 13, 2025

Questions

  1. Not given.

    1. \(E\left(\overline{X}\right) = \mu\)
    2. \(\text{Var}\left(\overline{X}\right) = \dfrac{\sigma^2}{n}\)

  3. See notes for how I start this problem!

    1. \(E(V) = 87850 \text{ ft}^3\), \(\text{Var}(V) = 19100116 \ (\text{ft}^3)^2\)

    2. Expected value correct, variance incorrect