Mathematics, 19.06.2020 19:57 coursonianp8izbc
An automobile manufacturer claims that its van has a 29.1 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 200 vans, they found a mean MPG of 28.8. Assume the standard deviation is known to be 2.4. A level of significance of 0.01 will be used. State the hypotheses. Enter the hypotheses:
Answers: 3
Mathematics, 21.06.2019 15:40
If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes
Answers: 3
Mathematics, 21.06.2019 18:00
What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18
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Mathematics, 21.06.2019 19:00
Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.
Answers: 1
Mathematics, 21.06.2019 23:00
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.
Answers: 2
An automobile manufacturer claims that its van has a 29.1 miles/gallon (MPG) rating. An independent...
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