Answer:
3.17
Step-by-step explanation:
Just took the quiz
A)
Find the coordinates where the red line crosses at the given numbers:
(25, 200)
(35,280)
(40,320)
B)
Find the unit rate from above: 200 / 25 = 8
Multiply hours by the unit rate:
15 x 8 = $120
C)
Divide amount by unit rate:
240 / 8 = 30 hours.
D) No, 20 hours x 8 per hour = $160.
Answer:
0.1198 < p < 0.1802
Step-by-step explanation:
Percentage who had, or intended to cheat (p) = 15% = 0.15.
1 - p = 1 - 0.15 = 0.85
Confidence interval = 95%, z = 1.96 = 2
number of observation= 560
p ± z * √(p * (1 -p)/n)
Lower limit:
0.15 - 2 * √0.15 * 0.85/560
0.15 - 0.0301780 = 0.119822
= 0.1198
Upper limit:
0.15 + 2 * √0.15 * 0.85/560
0.15 + 0.0301780 = 0.180178
= 0.1802
0.1198 < p < 0.1802
You would multiply 8.99x12 so thats 107.88
Then you multiply that by 2 so 107.88x2=$215.76
Hope this helped have an amazing day and god bless :))
Answer:
C. 1 centimeter = 30 meters
