<span>, the answer is (1/5)x^-3, i think</span>
For any integer n, all angles -150° n×360° will be coterminal with -150°. The appropriate choices are
-510° . . . . n=-1
210° . . . . n = 1
570° . . . . n = 2
Answer:
16
Step-by-step explanation:
Let X be the hip breadth for men. X follows Normal distribution with mean μ =14.8 and standard deviation σ =1.1
Here we have to find the hip breadth for men that separates the smallest 90% from the largest 10%
That is we have to find X that separates lower 90% area from upper 10%. For that we will first find z such that probability below it is 0.9 and above it 0.1
P(Z < z) =0.9
Using z score table to find z value
We do not have probability value exactly 0.9 so we will take probability close to 0.9 which is 0.8997 and corresponding z score is 1.28
So we have P(Z < 1.28) =0.9
Now using z=1.28, μ =14.8 and σ =1.1 we will find value of x
x = z*σ + μ
= (1.28 * 1.1) + 14.8
x = 16.208 rounding to nearest integer x= 16
The hip breadth that separates lower 90% area from upper 10% is 16 inch
Answer: C=250+4s
The reason is because the cost is equal to $250, which is the bus trip, plus $4 additional dollars for each student, s.