I need solve this assignment of MTH-213

QUESTION 1 3 points Save Answer QUESTION 6 4 points Save Answer Which of the following factor do not At the local car shop, the amount of affect the width of the confidence time required for an oil and filter interval? change on an automobile is right- skewed. A random sample of 64 cars O Sample size. is selected yields a mean of 41 O Sample mean. minutes and a standard deviation of 9.62 minutes. What is the margin of O Critical value. error for computing the 96% O Sample standard deviation. confidence interval for the populaton mean time? Round your answer to three decimal places. QUESTION 2 3 points Save Answer How would a 90% t-interval compare QUESTION 7 4 points Save Answer to a 90% z-interval? O Both intervals are identical. A car insurance company wanted information about the age of its O The t-interval would be wider than customers. From a sample of 73 the z-interval. randomly selected customers the O The middle of the t-interval is mean is 43.6 years and a standard greater than the middle of the z- deviation is 12.3 years. Find the lower confidence limit (LCL) of the 98% interval. confidence interval for the population O The t-interval would be narrower mean age. Round your answer to than the z-interval. three decinal places. QUESTION 3 3 points Save Answer QUESTION 8 4 points Save Answer In which of the following situations The daily sales of Hi-White we can not construct a confidence toothpaste are believed to be right- interval for the population proportion skewed. For a random sample of 43 p? days, the standard deviation sales turned out to be 18.50 tubes. Find the O x=9 and n= 24. crtical value that corresponds to the O x=8 and n=50. confidence interval if the margin of O x=298 and n=300. error is 6.88. Round your answer to three decimal places. O x=275 and n=325. QUESTION 9 3 points Save Answer QUESTION 4 3 points Save Answer A car insurance company wanted The monthly rents for studio information about the age of its apartments in Abu Dhabi have a customers. A researcher computed mean of AED 3370 and a standard 90%, 95%, 97%, and 99% confidence deviation of AED 680. Random intervals for the population mean age of the customers. Which of the samples of size 64 are drawn from following intervals is the the 95% the population. Find the mean confidence interval for the population and mean age? standard error O (36.30, 39.70) of O (36.91, 39.09) the mean monthly rents for studio O (36.70, 39.30) apartments. O (36.56, 39.44)