Suppose that the age of students at George Washington Elementary school is uniformly distributed between 5 and 11 years old. 35 randomly selected children from the school are asked their age. Round all answers to 4 decimal places where possible. What is the distribution of XX? XX ~ U(___,_____) Suppose that 35 children from the school are surveyed. Then the sampling distribution is What is the distribution of ¯xx¯? ¯xx¯ ~ N(____,_____) What is the probability that the average of 35 children will be between 8 and 8.7 years old
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
Suppose that the age of students at George Washington Elementary school is uniformly distributed between 5 and 11 years old. 35 randomly selected children from the school are asked their age. Round all answers to 4 decimal places where possible.
- What is the distribution of XX? XX ~ U(___,_____) Suppose that 35 children from the school are surveyed. Then the sampling distribution is
- What is the distribution of ¯xx¯? ¯xx¯ ~ N(____,_____)
- What is the
probability that the average of 35 children will be between 8 and 8.7 years old
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