I need solve this assignment of MTH-213

QUESTION 17 4 points Save Answer QUESTION 16 3 points Save Answer An insurance company proposes two Suppose the age of cars on the road health insurance plans for the is normally distributed with a mean of employees of a company. Plan A is the basic plan and covers only the 9.4 years. If the standard deviation is medication expenses in case of known to be 2.2 years, what is the hospitalization, whereas Plan B probability that 16 randomly selected reimburses all medical expenses of the employees. As a human cars have been on the road between ressources manager, you are required 7 and 8 years? Round your answer to to estimate how many employees will four decimal places. opt for Plan B. The manager randomly asks 83 emplyees and 22 of them prefer Plan B. Find the lower confidence limite (LCL) of the 98% QUESTION 18 3 points Save Answer confidence interval estimate for the population proportion of employees A recent study of over 1000 parents who will prefer Plan B. Round your answer to three decimal places. on cyberbullying showed that a 95% confidence interval of proportion of 4 PUITIS save Answer kids who faced bullying in social media sites and apps is (0.123, 20 A survey of 18 adults in UAE found that the mean age for a person's 0.195). Find the point estimator of primary vehicle is 2.9 years and a the population proportion of kids standard deviation of 0.7 year. Assuming that the population is who faced bullying in social media normally distributed. Find the upper sites and apps. Round your answer confidence limit (UCL) of the 95% confidence interval for the to three decimal places. population mean age. Round your answer to three decinal places. QUESTION 19 3 points Save Answer QUESTION 21 3 points Save Answer The monthly salaries of employees of Find the confidence level related a construction company is normally to the critical value ta/2= 2.075 distributed and averaged at AED 16,000 with a standard deviation of where the sample size n =18. AED 2500. Find the minimum and O 88.4% the maximum O 94.7% salaries symmetrically distributed O 92.3% around the population mean, that will include 90% of the sample means X, 85.8% based on samples of 25 employees. Round your answer to the nearest dirham