Answer:
Probability=2/5
Step-by-step explanation:
Let the line segment be AB of uniform length and x is distance
so

Case 1 min(x,L-x) then

Case 2 min(x,L-x)=L-x then

So Probability

Answer:
Step-by-step explanation:
product= multiply
x*4=8 aka 8/4=2
so x=2
15-8=7
As i understand you can, you'd just have to square them first then add up the result
Answer:
b) One sample z-test for means
Step-by-step explanation:
Normal Distribution
we have μ₀ (population mean from previous studies)
sample size n = 100
standar deviation of population σ = 0.75
And it was determined from sample, that μ = 5 : so we want to know if, at some significance level that value (which is smaller than population mean ) could help in relation to decide about rejecting hypothesis H₀
We should use a z one tail-test for means (left tail)
Answer:
16s^2 -9
Step-by-step explanation:
(4s+3)(4s–3)
FOIL
first : 4x*4x = 16s^2
outer -3 *4s = -12s
inner 3*4s = 12s
last = 3* -3 = -9
Add them together
16s^2 -12s+12s -9
Combine like terms
16s^2 -9