Mathematics, 31.12.2019 06:31 lexie223
Acell phone store has sold 150 phones of brand a and had 14 returned as defective. additionally it has sold 125 phones of brand b and had 15 returned as defective. is there statistical evidence that brand a has a smaller chance of being returned than brand b? use the 5-step method.
Answers: 2
Mathematics, 22.06.2019 02:30
The floor of a building consists of 3000 tiles which are rhombus shaped and each of it's diagonals are 45 cm and 30 cm in length. find the total cost of polishing the floor, if the cost per m² is rs. 4.
Answers: 1
Mathematics, 22.06.2019 04:00
Brad earns $12.75/hr and works 40 hours a week. what is his gross annual income?
Answers: 1
Mathematics, 22.06.2019 04:40
This assignment is past the original due date o this data is from a sample. calculate the mean, standard deviation, and variance 16.7 11.1 46.7 14.8 13.3 16.6 18.5 47.3 42,8 show the following answers to 2 decimal places. sample mean- sample standard deviation ( use the standard deviation above for your calculation.) sample variance ooops- now you discover that the data was actually from a population! so now you must give the population standard deviation.
Answers: 3
Acell phone store has sold 150 phones of brand a and had 14 returned as defective. additionally it h...
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