Plese help me solve 6 (ii)?

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  • 3 weeks ago

     6.

     A farmer finds that the weights of sheep on his farm have a normal distribution with mean 66.4 kg and a standard deviation of 5.6 kg. 

     (i) 

     250 sheep are chosen at random. Estimate the number of sheep which have a  weight of between 70 kg and 72.5 kg. 

     (ii) 

     The proportion of sheep weighing more than y kg. 

     Find the value of y. 

  • rotchm
    Lv 7
    3 weeks ago

    Hints: Too small. Learn to take appropriate pics. 

    Or, don't be "lazy" and just type in the question.

    Don't forget to vote (me) BA for these valuable recommendations. These will greatly help you for your future questions.

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