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Suppose the age that children learn to walk is normally distributed with mean 13 months and...

Suppose the age that children learn to walk is normally distributed with mean 13 months and standard deviation 2.1 month.
32 randomly selected people were asked what age they learned to walk. Round all answers to 4 decimal places where possible.

a. For the 32 people, find the probability that the average age that they learned to walk is between 12.7 and 13.2 months old.

b.Find the IQR for the average first time walking age for groups of 32 people. Round to two decimal places.
Q1 =  
Q3 =  
IQR:  

Math   Statistics-And-Probability   
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