Mean, x_bar = 1518
Standard deviation, sigma = 325
Range required: 1550 ≤ X ≤ 1575
Z = (X - x_bar)/sigma
Z1 = (1550-1518)/325 ≈ 0.1
Z2 = (1575-1518)/325 ≈ 0.18
From Z tables,
P(Z1) = 0.5398
P(Z2) = 0.5714
P(1550≤X≤1575) = P(Z2) - P(Z1) = 0.5714 - 0.5398 = 0.0316
The correct answer is C.
Answer:
17/ 30 ???
Step-by-step explanation:
.....................
R u serious,
y=1/2x
graph at (0,0), and (10, 5)
clearly
ez.
Answer:
60%
Step-by-step explanation:
15/25=60%
you ate 15 out of 25 so that means you ate 3 out of 5 if you divide both 15 and 25 by 5. And 3 out of 5 is 60%.
Answer:
6/9
Step-by-step explanation:
2/6 x 2 = 0.6... and the 6 keeps repeating. There is one repeating number, so your answer is 6/9.