i just need the answers for all parts plz

Review the content and then answer the following question: Review Assessment 0.5 of 1 Point Part 2 of 2 Find the sample variance and standard deviation. 22, 16, 2, 10, 11 Choose the correct answer below. Fill in the answer box to complete your choice. (Type an integer or a decimal. Round to one decimal place as needed.) O A. 62 = B. 2 = 55.2 Choose the correct answer below. Fill in the answer box to complete your choice. (Round to one decimal place as needed.) O A. S= O B. 6= View an example Statcrunch Get more help - Clear all Check answerReview the content and then answer the following question: Review Assessment 0 of 1 Point A study found that the mean amount of time cars spent in drive-thmughs of a certain fast-food restaurant was 147;: seconds Assuming drive-through times are normally distributed with a standard deviation of 24 seconds. complete parts (a) through (d) below. Click here to view the standard normal distribution table (p_age 1); Click here to view the standard normal distribution table (Lag); E) (a) What is the probability that a randomly selected car will get through the restaurant's drive-through in less than 107 seconds? The probability that a randomly selected car will get through the restaurant's drive-through in less than 107 seconds is (Round to four decimal places as needed.) Uiew instructor tip View an example Get more help A A study found that the mean amount of time cars spent in drive-throu (d) below. Click here to view the standard normal distribution table (page 1); Click here to view the standard normal distribution table (p_age 2); (a) What is the probability that a randomly selected car will get throu The probability that a randomly selected car will get through the rest (Round to four decimal places as needed.) View instructor tip View an example Get m 0 of 1 Point Standard Normal Distribution Table (page 1) Stundurd Normal Ilistrihutiun .n of 24 seconds, complete parts (a) throL 0 of 1 Point of 4 - X Standard Normal Distribution Table (page 2) y found that the mean amount of time cars spent ir dard deviation low here to view the standard normal distribution table here to view the standard normal distribution table at is the probability that a randomly selected car w A robability that a randomly selected car will get throu d to four decimal places as needed.) Standard Normal Distribution Print Done w instructor tip View an example ClSuppose a simple random sample of size n =42 is obtained from a population with p = 61 and o: 15. (a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities regarding the sample mean? Assuming the normal model can be used, describe the sampling distribution )2. (b) Assuming the normal model can be used, determine P05