Answer:
Step-by-step explanation:
The firm tests 75 parts, and finds that 0.25 of them are notusable
n = 75
x = 0.25 \times 75 = 18.75≈19
Confidence level = 95%
So, Z_\alpha at 95% = 1.96
Formula of confidence interval of one sample proportion:
Confidence interval 
Answer:
x=67
y=36
Step-by-step explanation:
x+y=103
2y=x+5
Let's see....
Let's first simplify step-by-step.
2/4 - 8z + 2(2-5)
= 1/2 + - 8z + -6
Combine Like Terms:
= 1/2 + -6
= (- 8z) + (1/2 + -6)
=(- 8z) + (1/2 + -6)
= - 8z + -11/2
___________________________________
Our answer:
= - 8z + -11/2
Hope This Helps!!!!!!!!
1 / 9^4 and 1 / 6^3
This is because in order to make a negative exponent into a postive exponent, you need to make it into a fraction, 1 as the top number, and the negative exponent as a postive one.
For example, 6^-3 becomes 1 / 6^3.
I hope I helped.
Answer:
a gun
Step-by-step explanation:
it actally lets u do it
