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The ages of crocodiles in water are normally distributed, with a mean of 70 years and a standard deviation of 7. Approximately what percentage of the crocodiles are between 60 and 80 years old? 7.64% 84.
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The ages of crocodiles in water are normally distributed, with a mean of 70 years and a standard deviation of 7. Approximately what percentage of the crocodiles are between 60 and 80 years old?

7.64%

84.72%

42.36%

57.76%

User Jeremy Moritz
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2 Answers

6 votes
What that guy said^^
User Subhasis Das
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8.6k points
3 votes
So what you have to do is add all of the numbers and then you divide them by 7
User NeilA
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7.1k points
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