Mathematics, 25.01.2020 05:31 7obadiah
An automobile manufacturer claims that its van has a 39.0 miles/gallon (mpg) rating. an independent testing firm has been contracted to test the mpg for this van since it is believed that the van has an incorrect manufacturer's mpg rating. after testing 120 vans, they found a mean mpg of 38.8. assume the standard deviation is known to be 2.2. a level of significance of 0.02 will be used. find the value of the test statistic. round your answer to 2 decimal places. enter the value of the test statistic.
Answers: 3
Mathematics, 21.06.2019 15:40
Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer
Answers: 2
Mathematics, 21.06.2019 16:00
Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?
Answers: 2
Mathematics, 21.06.2019 17:00
The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?
Answers: 2
An automobile manufacturer claims that its van has a 39.0 miles/gallon (mpg) rating. an independent...
Social Studies, 07.06.2021 19:40
Mathematics, 07.06.2021 19:40
Mathematics, 07.06.2021 19:40
Mathematics, 07.06.2021 19:40
Mathematics, 07.06.2021 19:40
English, 07.06.2021 19:40
Mathematics, 07.06.2021 19:40
Mathematics, 07.06.2021 19:40
Mathematics, 07.06.2021 19:40
Biology, 07.06.2021 19:40
Mathematics, 07.06.2021 19:40
Mathematics, 07.06.2021 19:40