Question
In: Statistics and Probability
Schools in Indonesia regularly measure the height and weight of primary school kids to compute their...
Schools in Indonesia regularly measure the height and weight of primary school kids to compute their body mass index (BMI) in evaluating potential problems with their health. Heights of primary school kids in Indonesia are normally distributed with a mean of 125cm and a standard deviation of 15cm.
For these, could you please show extensive working?
a) Find the probability that a randomly selected kid would have a height more than 142cm. Display working.
b) Find the probability that the mean height for five randomly selected kids is less than 128cm. Display working.
c) Six kids are randomly selected. What is the probability that their mean height is between 120cm and 125cm? Display working.
d) Find the cut off height for the 3% shortest kids. Display working.
Solutions
orchestra answered 2 years agoRelated Solutions
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