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Question 2 v il Z0.6/1pt 2 299 @ Details Score on last try: 0.6 of 1 pts. See Details for more. > Next question 2
Question 2 v il Z0.6/1pt 2 299 @ Details Score on last try: 0.6 of 1 pts. See Details for more. > Next question 2 Get a similar question You can retry this question below A computer selects a number X from 2 to 8 randomly and uniformly. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ U(, & o b. Suppose that the computer randomly picks 35 such numbers. What is the distribution of T for this selection of numbers. T ~ N(,) o . What is the probability that the average of 35 numbers will be more than 5.4? Hint: Some Helpful Videos: Question 3 v &0.6/1pt 2 299 @ Details Score on last try: 0.6 of 1 pts. See Details for more. > Next question 2 Get a similar question You can retry this question below Treat the number of months X after January 1 that someone is born as uniformly distributed from 0 to 12. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ U(, & o b. Suppose that 35 people are surveyed. What is the distribution of & for this sample? T ~ N( , 1.6968 X|) o . What is the probability that the average birth month of the 35 people will be more than 6.4? Hint: Some Heloful Videos: Bo @ 3 : Question 4 v 0/1 pt 3 399 @ Details Suppose that the age of students at George Washington Elementary school is uniformly distributed between 6 and 11 years old. 35 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 35 children from the school are surveyed. Then the sampling distribution is b. What is the distribution of Z? T ~ N( . ) c. What is the probability that the average of 35 children will be between 8 and 8.2 years old? Hint: Some Helpful Videos: & 0/1 pt 3 299 O Details 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 36 classes are clocked. What is the distribution of T for this group of classes? T ~ N( : ) . What is the probability that the average of 36 classes will end with the second hand between 31 and 34 seconds? Hint: Some Helpful Videos: e Finding the Sampling Distribution &' [+] e Finding a Probability Using the Central Limit Theorem ' [+] e Finding Value Given a Probability Using the Central Limit Theorem ' [+] The Central Limit Theorem For Sums ' [+] Hint '
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