Math topic中文

Linear transformation

Solving problems involving the use of E(aX+b)\mathrm{E}(aX+b) and Var(aX+b)\mathrm{Var}(aX+b).

Practice questions

  1. 1S and T are independent random variables with the distributions N(18,32)N(18,3^2) and N(μ,σ2)N(\mu,\sigma^2) respectively. It is gi…
  2. 2In this question you should state clearly the values of the parameters of any normal distributions that you use. The mas…
  3. 3In this question you should state the parameters of any distributions you use. An orchard sells kiwis of two varieties,…
  4. 4In this question you should state the parameters of any distribution you use. A customer service call centre categor…
  5. 5**In this question, you should state clearly all the distributions that you use, together with the values of the appropr…
  6. 6In this question you should state clearly all the distributions that you use, together with the values of the appropriat…
  7. 7A grocery store sells two types of apples, Brand AA and Brand SS. The masses (in grams) of the apples for each brand c…
  8. 8In this question you should state clearly the values of the parameters of any normal distributions you use. A fruit…
  9. 9In this question you should state the parameters of any distributions you use. A snack company produces two types of…