Suppose the age that children learn to walk is normally distributed with mean 11 months and standard deviation of 2.3 months. 33 Randomly selected people were out to walk. Round to four decimal places a) what is the probability that one person learned to walk when the person was was between 10.6 and 11.2 months old. b) for the 33 people, find the probability that the average age that they learned to walk is between 10.6 and 11.2 months old. c) for part B is the assumption that the distribution is normal necessary. Yes or No.
Suppose the age that children learn to walk is normally distributed with mean 11 months and standard deviation of 2.3 months. 33 Randomly selected people were out to walk. Round to four decimal places a) what is the probability that one person learned to walk when the person was was between 10.6 and 11.2 months old. b) for the 33 people, find the probability that the average age that they learned to walk is between 10.6 and 11.2 months old. c) for part B is the assumption that the distribution is normal necessary. Yes or No.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Suppose the age that children learn to walk is
a) what is the probability that one person learned to walk when the person was was between 10.6 and 11.2 months old.
b) for the 33 people, find the probability that the average age that they learned to walk is between 10.6 and 11.2 months old.
c) for part B is the assumption that the distribution is normal necessary. Yes or No.
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