Answer:
66
Step-by-step explanation:
57 x 2= 114
180-114= 66
This is a long division problem
7434.44/98.6= 75.4
Hope this helps
Answer: The test statistic is t= -0.90.
Step-by-step explanation:
Since we have given that
n₁ = 50
n₂ = 25
So, s would be
So, the value of test statistic would be
Hence, the test statistic is t= -0.90.
{3x+2y=4 /*5
{4x+5y=17 /*(-2)
{15x+10y=20
<u>{-8x-10y=-34 </u>(+)
<em>7x=-14</em><em />
<em>x=-2</em>
15x+10y=20
15*(-2)+10y=20
-30+10y=20
10y=50
<em>y=5</em>
Answer:
1. 0.99993108.
2. 6 components.
Step-by-step explanation:
(a) Probability of 1 component failing = 0.041
So the probability of the whole system failing = 0.041^3.
Therefore the probability of not failing
= 1 - 0.041^3 = 0.99993108.
(b).
Try 5 components:
1 - 0.041^5 = 0.99999988
6:
1 - 0.041^6 = 0.9999999952.
So the answer is 6 components.
