A Level Probability & Statistics 1 October November 2021 Paper 51 9709/51

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  • Опубликовано: 9 ноя 2024

Комментарии • 10

  • @sophiastevies
    @sophiastevies 2 года назад +1

    Thank you Prashna :)

  • @solaimanashraf8061
    @solaimanashraf8061 8 месяцев назад

    Thank you so much ma'am ❤

  • @awaiszaheer7751
    @awaiszaheer7751 Год назад

    very helpful video .

  • @Blister209
    @Blister209 7 месяцев назад

    . The other past paper I did used the formula for variance by subtracting the mean squared.. can someone explain

  • @plasticide4095
    @plasticide4095 Год назад

    In 2.a, just literally substitute the values given. It was that easy, why complicate simple sums

    • @studywithprashna
      @studywithprashna  Год назад +1

      You need to break it down in order to get 'n'.

    • @m.sufyanabbasi3404
      @m.sufyanabbasi3404 Год назад +1

      may be you haven't gone through the "ms"... it is the requirement to show that part of the working.