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Suppose that the age that children learn to walk is normally distributed with mean 12 months...
Suppose the age that children learn to walk is normally distributed with mean 11 months and...
Suppose the age that children learn to walk is normally distributed with mean 11 months and standard deviation 1.3 month. 16 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-NO b. What is the distribution of ? -NG c. What is the probability that one randomly selected person learned to walk when the person was between 10 and 12 months old?...
Suppose the age that children learn to walk is normally distributed with mean 11 months and...
Suppose the age that children learn to walk is normally distributed with mean 11 months and standard deviation 1.5 month. 11 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-NG b. What is the distribution of ? - N c. What is the probability that one randomly selected person learned to walk when the person was between 10 and 12 months...
Suppose the age that children learn to walk is normally distributed with mean 11 months and...
Suppose the age that children learn to walk is normally distributed with mean 11 months and standard deviation 2.1 month. 33 randomly selected people were asked what age they learned to walk. Round all answers to 4 decimal places where possible. What is the distribution of X ? X ~ N) What is the distribution of ¯ x ? ¯ x ~ N( ) What is the probability that one randomly selected person learned to walk when the person was...
please round to 4 decimal places Suppose the age that children learn to walk is normally distributed with mean 12 mo...
please round to 4 decimal places
Suppose the age that children learn to walk is normally distributed with mean 12 months and standard deviation 1.5 month. 15 randomly selected people where possible. were asked what age they learned to walk. Round all answers to 4 decimal places What is the distribution of X? X~N b. What is the distribution of ? N c. What is the probability that one randomly selected person learned to walk when the person was between...
PLEASE HELP ME TO SOLVE THIS STEP BY STEP 9. Suppose the age that children learn...
PLEASE HELP ME TO SOLVE THIS STEP BY STEP 9. Suppose the age that children learn to walk is normally distributed with mean 13 months and standard deviation 1.1 month. 10 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 B What is the distribution of ¯x? ¯x ~ N C What is the probability that one randomly selected person learned...
The amount of coffee that people drink per day is normally distributed with a mean of...
The amount of coffee that people drink per day is normally distributed with a mean of 15 ounces and a standard deviation of 6 ounces. 13 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-N b. What is the distribution of m?T-NG c. What is the probability that one randomly selected person drinks between 14 and 16 ounces of coffee per day? d. For the 13 people,...
The amount of coffee that people drink per day is normally distributed with a mean of...
The amount of coffee that people drink per day is normally distributed with a mean of 16 ounces and a standard deviation of 4.5 ounces. 9 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-N b. What is the distribution of a? T-N c. What is the probability that one randomly selected person drinks between 15.5 and 17.5 ounces of coffee per day? d. For the 9...
Mayr et al. (1994) took an SRS of 240 children who visited their pediatric outpatient clinic. They found the following frequency distribution for the age (in months) of free (unassisted) walking amon...
Mayr et al. (1994) took an SRS of 240 children who visited their pediatric outpatient clinic. They found the following frequency distribution for the age (in months) of free (unassisted) walking among the children: 11 9 10 12 13 14 15 16 17 18 19 20 Age (months) Number of Children 13 35 4469 36 24 7 3251 64 Chapter 2: Simple Probability Samples Construct a histogram of the distribution of age at walking. Is the shape normally distributed? Do...
The amount of coffee that people drink per day is normally distributed with a mean of...
The amount of coffee that people drink per day is normally
distributed with a mean of 16 ounces and a standard deviation of 5
ounces. 18 randomly selected people are surveyed. Round all answers
to 4 decimal places where possible.
I don't have a calculator so I have been doing this in Excel. If
I can get the explanation using excel that would be great!
The amount of coffee that people drink per day is normally distributed with a mean...
1. A local historian knows that the age of artifacts in his library is Normally distributed...
1. A local historian knows that the age of artifacts in his library is Normally distributed with an average of 76 years old with a standard deviation of 14 years. (a) Determine the probability a randomly selected artifact has an age over 90 years old. (b) Determine the probability that the average of 2 randomly selected artifacts has an age over 90 years old. (c) Determine the probability that the average of 3 randomly selected artifacts has an age over...
Suppose the age that children learn to walk is normally distributed with mean 11 months and standard deviation 1.3 month. 16 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-NO b. What is the distribution of ? -NG c. What is the probability that one randomly selected person learned to walk when the person was between 10 and 12 months old?...
Suppose the age that children learn to walk is normally distributed with mean 11 months and standard deviation 1.5 month. 11 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-NG b. What is the distribution of ? - N c. What is the probability that one randomly selected person learned to walk when the person was between 10 and 12 months...
please round to 4 decimal places
Suppose the age that children learn to walk is normally distributed with mean 12 months and standard deviation 1.5 month. 15 randomly selected people where possible. were asked what age they learned to walk. Round all answers to 4 decimal places What is the distribution of X? X~N b. What is the distribution of ? N c. What is the probability that one randomly selected person learned to walk when the person was between...
The amount of coffee that people drink per day is normally distributed with a mean of 15 ounces and a standard deviation of 6 ounces. 13 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-N b. What is the distribution of m?T-NG c. What is the probability that one randomly selected person drinks between 14 and 16 ounces of coffee per day? d. For the 13 people,...
The amount of coffee that people drink per day is normally distributed with a mean of 16 ounces and a standard deviation of 4.5 ounces. 9 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X-N b. What is the distribution of a? T-N c. What is the probability that one randomly selected person drinks between 15.5 and 17.5 ounces of coffee per day? d. For the 9...
Mayr et al. (1994) took an SRS of 240 children who visited their pediatric outpatient clinic. They found the following frequency distribution for the age (in months) of free (unassisted) walking among the children: 11 9 10 12 13 14 15 16 17 18 19 20 Age (months) Number of Children 13 35 4469 36 24 7 3251 64 Chapter 2: Simple Probability Samples Construct a histogram of the distribution of age at walking. Is the shape normally distributed? Do...
The amount of coffee that people drink per day is normally
distributed with a mean of 16 ounces and a standard deviation of 5
ounces. 18 randomly selected people are surveyed. Round all answers
to 4 decimal places where possible.
I don't have a calculator so I have been doing this in Excel. If
I can get the explanation using excel that would be great!
The amount of coffee that people drink per day is normally distributed with a mean...
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