Mathematics, 22.01.2020 23:31 havennn
An automobile manufacturer claims that its van has a 31.3 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 140 vans, they found a mean mpg of 31.1. assume the standard deviation is known to be 1.3. a level of significance of 0.02 will be used. make a decision to reject or fail to reject the null hypothesis.
Answers: 1
Mathematics, 21.06.2019 22:30
Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40
Answers: 2
Mathematics, 21.06.2019 22:30
9.4.34 question to estimate the height of a stone figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a meter?
Answers: 1
Mathematics, 21.06.2019 23:20
Find the value of x in the diagram below. select the best answer from the choices provided
Answers: 1
Mathematics, 22.06.2019 00:00
Which of the following is the maximum value of the equation y=-x^2+2x+5 a. 5 b. 6 c. 2. d. 1
Answers: 1
An automobile manufacturer claims that its van has a 31.3 miles/gallon (mpg) rating. an independent...
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