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Suppose the age that children learn to walk is normally distributed with mean 11 months and standard deviation 2 month. 34 randomly selected people were asked what age they learned to walk. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X N( 11 b. What is the distribution of x? a N( 11 0.3440 c. What is the probability that one randomly selected person learned to walk when the person was between 10.6 and 11.3 months old? 0.1389 d. For the 34 people, find the probability that the average age that they learned to walk is between 10.6 and 11.3 months old. e. For part d), is the assumptinter an integer or decimal number, accurate to at least 4 decimal places [more..] f. Find the IQR for the average first time walking age for groups of 34 people. Q1 = months Q3 = months IQR: months

Suppose the age that children learn to walk is normally distributed with mean 11 months and standard deviation 2 month. 34 randomly selected people were asked what age they learned to walk. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X N( 11 b. What is the distribution of x? a N( 11 0.3440 c. What is the probability that one randomly selected person learned to walk when the person was between 10.6 and 11.3 months old? 0.1389 d. For the 34 people, find the probability that the average age that they learned to walk is between 10.6 and 11.3 months old. e. For part d), is the assumptinter an integer or decimal number, accurate to at least 4 decimal places [more..] f. Find the IQR for the average first time walking age for groups of 34 people. Q1 = months Q3 = months IQR: months

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Suppose the age that children learn to walk is normally distributed with mean 11 months and standard deviation 2 month. 34 randomly selected people were asked what age they learned to walk. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( 11 b. What is the distribution of x? a - N( 11 0.3440 c. What is the probability that one randomly selected person learned to walk when the person was between 10.6 and 11.3 months old? 0.1389 d. For the 34 people, find the probability that the average age that they learned to walk is between 10.6 and 11.3 months old. e. For part d), is the assumptiSnter an integer or decimal number, accurate to at least 4 decimal places [more..] f. Find the IQR for the average first time walking age for groups of 34 people. Q1 = months %3D Q3 = months %3D IQR: months Hint: Some Helpful Videos: Finding the Sampling Distribution (+1 Finding a Probability Using the Central Limit Theorem D [+1 Finding Value Given a Probability Using the Central Limit Theorem • The Central Limit Theorem For Sums It1 [+] [+] 2.
Transcribed Image Text:Suppose the age that children learn to walk is normally distributed with mean 11 months and standard deviation 2 month. 34 randomly selected people were asked what age they learned to walk. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( 11 b. What is the distribution of x? a - N( 11 0.3440 c. What is the probability that one randomly selected person learned to walk when the person was between 10.6 and 11.3 months old? 0.1389 d. For the 34 people, find the probability that the average age that they learned to walk is between 10.6 and 11.3 months old. e. For part d), is the assumptiSnter an integer or decimal number, accurate to at least 4 decimal places [more..] f. Find the IQR for the average first time walking age for groups of 34 people. Q1 = months %3D Q3 = months %3D IQR: months Hint: Some Helpful Videos: Finding the Sampling Distribution (+1 Finding a Probability Using the Central Limit Theorem D [+1 Finding Value Given a Probability Using the Central Limit Theorem • The Central Limit Theorem For Sums It1 [+] [+] 2.
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