EdExcel AS-Level Maths October 2020 Paper 2 (Statistics)

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  • Опубликовано: 18 ноя 2024

Комментарии • 8

  • @sadmarcharicheese2041
    @sadmarcharicheese2041 Год назад +4

    i dont get 4a................................. cos u can clearly have a sampling frame rihgt? isnt it just 1600?

    • @foxzy1469
      @foxzy1469 2 месяца назад

      No because its an estimate of the population so the marked fish can easily just dissapear for the rest of their lives

  • @damia7923
    @damia7923 5 месяцев назад

    For question 3, why don’t we consider 3, 3 twice?

  • @whoamiwhoami3906
    @whoamiwhoami3906 Год назад +3

    Decimetres to Metres is DIVIDE by 10, so how would you answer 2a?

    • @onaopemipoadeniyi
      @onaopemipoadeniyi Год назад +3

      The unit he is converting from is decametres not decimetres.

    • @adegundolapo4701
      @adegundolapo4701 13 дней назад

      @@onaopemipoadeniyihow does he know its in decametres??

  • @Hdieienjdks
    @Hdieienjdks Год назад +2

    46:30 shouldn't this be P(X=11) why is it P(X>=11)

    • @Penguin-ro9pd
      @Penguin-ro9pd 5 месяцев назад

      I think it is because the inequality shows we are testing the different probabilities of the tails. And we need to test this against significance level