Question A is included in the photo with the data. In addition to question A help me solve question b as well.b. Which of the following statements is the correct interpretation of the confidence interval?Group of answer choices90% confidence means that 90% of the time that we take a random sample of 20 cars that the true population mean will be contained in the interval.90% confidence means that 90% of sample means, with sample size n=20, will be in this interval.90% confidence means that 90% is the best estimate of the proportion of cars in the whole population have a fuel economy in this interval.90% confidence means that 90% of cars in your sample have a fuel economy in this interval.90% confidence means that 90% of the time that we take a random sample of 20 cars that our sample mean will be contained in the interval.

Use the stem and leaf plot below to answer questions about fuel economy. Fuel efficiency (miles per gallon) 1 89 2 11278899 3 137889 4 3446 Key: 118 means a fuel efficiency of 18 miles per gallon. a. Find a 90% confidence interval for the mean fuel economy. Write in the form (x, y) where x and y are rounded to 2 decimal places