How does the rate parameter affect the shape of a Poisson distribution?

  • All of the above
  • It determines the kurtosis of the distribution
  • It determines the skewness of the distribution
  • It does not affect the shape of the distribution
The rate parameter (lambda) in a Poisson distribution determines the average rate of occurrence per interval, which directly affects the shape of the distribution. Higher lambda values result in distributions that are less skewed to the right.
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