Explanation

This question appears incomplete as it only provides option A. However, based on the context of kurtosis and extreme values:

Kurtosis and Extreme Values:

• Leptokurtic distributions (kurtosis > 3) have fatter tails and higher peaks than normal distribution
• Platykurtic distributions (kurtosis < 3) have thinner tails and flatter peaks than normal distribution
• Mesokurtic distributions (kurtosis = 3) have tails like normal distribution

For extreme values X > mean:

• Leptokurtic distributions have higher probability of extreme values in the tails
• Platykurtic distributions have lower probability of extreme values in the tails

However, the given option A (leptokurtic with kurtosis of 4) would actually produce higher probability for extreme values, not lower. This suggests the question may be incomplete or there may be missing options. Given the available information, option A is selected as it's the only provided choice.