Suppose the age that children learn to walk is normally distributed with mean 13 months and standard deviation 2 month. 33 randomly selected people were asked what age they learned to walk. Round all answers to 4 decimal places where possible. For the 33 people, find the probability that the average age that they learned to walk is between 12.8 and 13.2 months old. For part d), is the assumption that the distribution is normal necessary? NoYes Find the IQR for the average first time walking age
Suppose the age that children learn to walk is normally distributed with mean 13 months and standard deviation 2 month. 33 randomly selected people were asked what age they learned to walk. Round all answers to 4 decimal places where possible. For the 33 people, find the probability that the average age that they learned to walk is between 12.8 and 13.2 months old. For part d), is the assumption that the distribution is normal necessary? NoYes Find the IQR for the average first time walking age
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Question
Suppose the age that children learn to walk is
- For the 33 people, find the
probability that the average age that they learned to walk is between 12.8 and 13.2 months old. - For part d), is the assumption that the distribution is normal necessary? NoYes
- Find the IQR for the average first time walking age for groups of 33 people.
Q1 = months
Q3 = months
IQR: months
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