Answer:
0.321 is the probability that their mean printing speed of the sample is greater than 17.99 ppm.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 17.39 ppm
Standard Deviation, σ = 4.25 ppm
Sample size = 11
We are given that the distribution of printing speed is a bell shaped distribution that is a normal distribution.
Formula:
P(printing speed of the sample is greater than 17.99 ppm.)
P(x > 17.99)

Calculating the value from the standard normal table we have,

Thus, 0.321 is the probability that their mean printing speed of the sample is greater than 17.99 ppm.
Answer:
An outcome that is not possible is that the lines intersect in two different points so the system has two solutions.
Step-by-step explanation:
The two lines can never intersect each other at two points. Two lines intersects only once if they intersect otherwise they are parallel or coincide.
Answer:
48
Step-by-step explanation:
First, substitute in 12 for x
2.4(12 ÷ 1/4)
Distribute 2.4 within the parenthesis
2.4 x 12 = 28.8
2.4 x 1/4 or 2.4 x 0.25 = 0.6
28.8 ÷ 0.6
Divide to get your answer:
48
I Hope That This Helps! :)
Answer:
H)
Step-by-step explanation:
First, Length XY is 20 centimeters. Since YZ = 3/5 XY, 
YZ = 12 + 20 = 32 cm, hence H)
Hope you have a nice day! (Pls mark brainliest)