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Can you please help me answer and understand this problem? I will rate your answer! Thank...
The shape of the distribution of the time required to get an oil change at a 10-minute oil-change facility is unknown. However, records indicate that the mean time is 11.2 minutes, and the standard deviation is 4.5 minutes. Complete parts (a) through (c). (a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required? A. Any sample size could be used. B. The sample size needs to be greater than or equal to 30. C. The normal...
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 21.4 minutes, and the standard deviation is 4.1 minutes. Complete parts (a) through (c).(a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required?A. Any sample size could be used.B. The sample size needs to be less than or equal to 30 .C. The...
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 21.5 minutes, and the standard deviation is 3.9 minutes. Complete parts (a) through (c). (a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required? O A. Any sample size could be used. OB. The normal model cannot be used if the shape...
Need a little help! The shape of the distribution of the time required to get an oil change at a 10-minute oil-change facility is unknown, However, records indicate that the mean time is 11.6 minutes, and the standard deviation is 4.2 minutes. Complete parts (a) through (c) (a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required? O A. The normal model cannot be used if the shape of the distribution is...
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 3.7 minutes (a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required? A.Any sample size could be used. B.The sample size needs to be greater than or equal to 30. C.The sample size needs to be...
The shape of the distribution of the time is required to get an oil change at a 15-minute oil-change facility is unknown. However, records indicate that the mean time is 16.2 minutes, and the standard deviation is 4.2 minutes. Complete parts (a) through (c). (a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required? A. The sample size needs to be less than or equal to 30. B. The sample size needs...
The shape of the distribution of the time required to get an oil change at a 15-minute oil change facility is unknown. However, records indicate that the mean time is 16.3 minutes, and the standard deviation is 48 minutes. Complete parts (a) through (c) (a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required? O A. The sample size needs to be greater than or equal to 30. O B. Any sample...
The shape of the distribution of the time required to get an oil change at a 10-minute oil-change facility is unknown. However, records indicate that the mean time is 11.5 minutes, and the standard deviation is 4.5 minutes. Complete parts (a) through (c). (a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required? O A. Any sample size could be used. B. The sample size needs to be greater than or equal...
The shape of the distribution of the time required to get an oil change at a 15-minute of change facility is unknown. However, records indicate that the mean time is 16.3 minutes, and the standard deviation is 4.5 minutes Complete parts al through (e) (a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required? O A Any sample se could be used OB. The normal model cannot be used the shape of...
The shape of the distribution of the time required to get an ol 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 4.3 minutes. Complete parts (a) through (c) (a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required? OA. The sample size needs to be greater than or equal to 30. OB. The sample size needs...