Mathematics, 15.10.2019 18:00 terrysizemore666
Bob nale is the owner of nale’s quick fill. bob would like to estimate the mean number of gallons of gasoline sold to his customers. assume the number of gallons sold follows the normal distribution with a population standard deviation of 2.30 gallons. from his records, he selects a random sample of 60 sales and finds the mean number of gallons sold is 8.60.
Answers: 2
Mathematics, 21.06.2019 16:30
An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.
Answers: 2
Mathematics, 21.06.2019 17:00
(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder
Answers: 1
Mathematics, 21.06.2019 18:00
Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices
Answers: 2
Mathematics, 21.06.2019 19:30
Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?
Answers: 1
Bob nale is the owner of nale’s quick fill. bob would like to estimate the mean number of gallons of...
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