Mathematics, 21.06.2020 10:57 Spence8900
suppose the commute times for employees of a large company follow a normal distribution. if the mean time is 18 minutes and the standard deviation is 5 minutes, 95% of the employees will have a travel time within which range A. 13 mins to 23 mins B. 3 mins to 33 mins c 8mins to 28 mins D 13.25 and 22.75
Answers: 1
Mathematics, 21.06.2019 18:20, nehaljay1883
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 21.06.2019 19:00, cheryljoseph69
Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?
Answers: 3
suppose the commute times for employees of a large company follow a normal distribution. if the mean...
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