Answer:
0.9985
Step-by-step explanation:
The population standard deviation is:
s² = 64
s = 8
The sample standard deviation is:
σ = s/√n
σ = 8/√39
σ = 1.28
The z-score is:
z = (x − μ) / σ
z = (128.2 − 132) / 1.28
z = -2.97
The probability is:
P(Z > -2.97) = 1 − P(Z < -2.97)
P(Z > -2.97) = 1 − 0.0015
P(Z > -2.97) = 0.9985
Answer:
the intersection region
Step-by-step explanation:
Answer:
Therefore the required point where it crosses y-axis is (0 , 4)
Step-by-step explanation:
Given:
...............Equation of line
Intercepts:
The line which intersect on x-axis and y-axis are called intercepts.
There are two intercepts:
x-intercept: The line which intersect at x-axis. So when the line intersect at x-axis Y coordinate is zero.
y-intercept: The line which intersect at y-axis. So when the line intersect at y-axis X coordinate is zero.
For a line crosses Y-axis we have,
Put x = 0 in above equation we get
Therefore the required point where it crosses y-axis is (0 , 4)
Answer:
80%
a friend gave me the answer but I lost the work sorry :/