40% percent times 70 is want I believe
This is how you write 5.24 in expanded form 5+0.2+0.04
We can see that
both lines intersects at origin
so, the solution is x=0 and y=0
now, we will check each options
option-A:
now, we can set them equal
and then we can solve for x
now, we can find y
so, solution is x=0 and y=0
so, this correct...........Answer
Answer:
z= 2.38
P = 0.008656
Step-by-step explanation:
Here n= 500 and p~= 464/500= 0.928 and q`= 1- 0.928 = 0.072
We formulate our null and alternate hypothesis as
H0 = 0.9 ; H0 > 0.9
The degree of confidence = 90%
z₀.₀₅ = 1.645 for α= 0.05
We use the test statistic
z= x- np/√npq
z= 466-500 *0.9/ √500 * 0.9(1-0.9)
z= 466- 450/ √45
z= 16/6.7082
z= 2.38
As the calculated value of z= 2.38 is greater than α =1.645 so we reject H0.
If H0 is true the P value is calculated as
P = 1- Ф( 2.38)
P = 1-0.991344=0.008656
Answer:
true
Step-by-step explanation:
