Answer:
a) P [ x ≤ 7000] is 0.55
b) P [ x > 5000 ] = 0.95
c) P [ 5000 < x ≤ 7000 ] = 0,5
Step-by-step explanation:
a) P [ x > 7000 ] = 0.45 straightforward P [ x ≤ 7000] is 0.55
The whole spectrum of probabilities is 1 which in this particular case is divided in two parts having 7000 as a limit, then we subtact 1 - 0.45
b) P [ x ≤ 5000] = 0.05 again we get P [ x > 5000] taking 1-0.05 to get
P [ x > 5000 ] = 0.95
c) P [ 5000 < x ≤ 7000 ]
Under Normal curve distribution the probability of x ≤ 7000 includes values smallers ( to the left of 5000) so we subtract from 0.55 - 0.05 = 0.50
c) P [ 5000 < x ≤ 7000 ] = 0,5
Answer:
10/18
Step-by-step explanation:
hope it helps
Answer:
B
Step-by-step explanation:
Replacing <em>f</em>(x) with 21, this is the equation
21=3x+9
First, subtract 9 from each side of the equation to get:
12 = 3x
Next, divide each side by 3 to get:
4 = x
So the answer is B.
0.7 in word form is : “zero point seven”
Hope this helped <3
