Question 5 When computing confidence intervals the term is called the margin of

Question 5
When computing confidence intervals the term is called the margin of error.Question 5 options:
A) True
B) False
Question 6
You have a variable that you believe is normally distributed but are only able to get a sample size of 16. The sample mean you obtain is 205 and the sample standard deviation is 20. What is the 90% confidence interval for the mean for a two-tail test?Question 6 options:
A) [191.27 218.73]
B) [194.40 215.60]
C) [194.64 215.66]
D) [196.23 213.77]
Question 7
You read in the paper that 71 of 100 U.S. Senators are in favor of legislation that gives themselves a pay raise. What is the 99% confidence interval of your sample mean for the true Senate population?Question 7 options:
A) [0.64 0.78]
B) [0.62 0.80]
C) [0.54 0.88]
D) [0.59 0.83]
Question 8
The mean and standard deviation of the max loads supported by 60 country bridges in Texas is 11.09 tons and 0.73 tons respectively. Find the 95% confidence interval for the mean of all similar bridges in Texas.Question 8 options:
A) [11.09 0.18]
B) [11.09 0.24]
C) [11.09 0.15]
D) [11.09 0.12]
Question 9
You want to randomly sample the lengths of telephone poles after they are cut but before being trucked to the field. Based on previous work you anticipate the average length will be 456 inches (38 feet) with a standard deviation of 2 inches. How many poles must you sample to ensure your data is within 0.5 inch?Question 9 options:
A) 38 B) 43
C) 62
D) 44
Question 10
At your last Rotary Club budget committee meeting 6 of the 8 members voted to accept the latest change to the by-laws. How many members at large must you sample to be 90% sure that within 12% of the true population this proportion holds?Question 10 options:
A) 16 B) 51
C) 22
D) 36
I need this back within 1 hour.