Part 2 of 3 0.33 of 1 Point The shape of the distribution of the time required to get an oil change at a 20-minute oil-c

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Part 2 Of 3 0 33 Of 1 Point The Shape Of The Distribution Of The Time Required To Get An Oil Change At A 20 Minute Oil C 1 (37.45 KiB) Viewed 16 times

Part 2 of 3 0.33 of 1 Point The shape of the distribution of the time required to get an oil change at a 20-minute oil-change facility is unknown. However, records indicate that the mean time is 21.1 minutes, and the standard deviation is 32 minutes. Complete parts (a) through (c) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). Help me solve this GTS (b) What is the probability that a random sample of n = 35 oil changes results in a sample mean time less than 20 minutes? The probability is approximately (Round to four decimal places as needed.) 1 Vi 1, (10) More View an example Get more help. Clear all Check answer X