Please answer part B, as I cannot find the answer. Thank You!!!

3.1.25 ' 0'33 ofi Point 55 Question Help i The shape of the distribution ot the time required to get an oil change at a 10minute oilchange facility is unknown. However, records indicate that the mean time is 'l 1.1 minutes. and the standard deviation is 3.? minutes. Complete parts (a) through (c) below. Click here to View the standard nom'ial distribution table e 'l . Click here to View the standard normal distribution table l page 21. {:2- B. The normal model cannot be used if the shape of the distribution is unknown. if C. The sample size needs to be greater than 30. -ZI_IZ- D. Any sample size could be used. [bi What is the probability that a random sample of n = 45 oil changes results in a sample meantime less than 10 minutes? The probability is approximately :|. (Round to four decimal places as needed.) Enter your answer in the answer box and then click Check Answer. .. remaining Clear All Check