Round all answers to 4 decimal places where pos a. What is the distribution of X? X - U( then the sampling distribution is b. Suppose that 40 classes are clocked. Wha c What is the probability that the average o

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Centeral Limit Theorem 

The number of seconds X after the minute that class ends is uniformly distributed between 0 and 60.
Round all answers to 4 decimal places where possible.
a. What is the distribution of X? X - U(
then the sampling distribution is
b. Suppose that 40 classes are clocked. What is the distribution of i for this group of classes? i - N(
c. What is the probability that the average of 40 classes will end with the second hand between 24 and
30 seconds?
Transcribed Image Text:The number of seconds X after the minute that class ends is uniformly distributed between 0 and 60. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - U( then the sampling distribution is b. Suppose that 40 classes are clocked. What is the distribution of i for this group of classes? i - N( c. What is the probability that the average of 40 classes will end with the second hand between 24 and 30 seconds?
Suppose that the age of students at George Washington Elementary school is uniformly distributed between
6 and 10 years old. 49 randomly selected children from the school are asked their age. Round all answers to
4 decimal places where possible.
a. What is the distribution of X? X - U(
Suppose that 49 children from the school are surveyed. Then the sampling distribution is
b. What is the distribution of x? T - N(
c. What is the probability that the average of 49 children will be between 8 and 8.4 years old?
Transcribed Image Text:Suppose that the age of students at George Washington Elementary school is uniformly distributed between 6 and 10 years old. 49 randomly selected children from the school are asked their age. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - U( Suppose that 49 children from the school are surveyed. Then the sampling distribution is b. What is the distribution of x? T - N( c. What is the probability that the average of 49 children will be between 8 and 8.4 years old?
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