The answer is 1/2. I think that since the question is about Box B , only boxes will be taken into consideration. Since the total number of boxes are two and box b is one ,the probability of the box being B is 1/2.
Answer:
see below
Step-by-step explanation:
It is helpful to know the special forms for factoring of the difference of squares and for the square of a binomial. In any event, you can always multiply out the factors and compare the result to the list of polynomials on the left.
a² - b² = (a -b)(a +b)
(a -b)² = a² -2ab +b²
The last one requires you to collect terms before factoring.
4y² +5y -6
_____
From a "test-taking" point of view, you can see that the final constant of each of the polynomials on the left is different. This means you can make the correct choices by matching the product of constants on the right.
For example, the first one will have a constant of (-6)² = 36, matching the final constant of polynomial number 4.
Answer:
C.I. at 95% is as C.I.[0.7504 to 0.8162]
Step-by-step explanation:
Given:
Total number n=600
and Required No of students=x=470
To Find:
Determine a 95% confidence interval .
Solution:
Using normal distribution table for Z,
when 95 % C.I. Z=1.96
Now calculate ,
Population proportion,p=x/n
p=470/600
p=0.7833
Now calculate margin of error
MOE=Z*Sqrt[p(1-p)/n]
MOE=1.96*Sqrt[(0.7833*0.21667)/600]
=1.96*Sqrt(0.00028286)
=1.96*0.01681
=0.0329
So
The Boundaries will be as follows:
1)p-MOE
=0.7833-0.0329
=0.7504
2)p+MOE
=0.7833+0.0329
=0.8162
Answer:
1. 2.9>2.9 False
2. 4.5≥4.5 True
3. 6≤−6 False
4. -3<3 True
Step-by-step explanation:
1. 2.9>2.9 is false becuase those 2 numbers are equal
2. 4.5≥4.5 is true because they are both equal, and the sign said less than or EQUAL to
3. 6≤−6 is false becuase 6 is greater than -6
4. -3<3 is true becuase -3 is less than 3
to more fully understand, you should look at a number line
hope it helps! :>
<span>Culture in petri dish A is 1.08 x 10^15 and culture in petri dish B is 2.7 X 10^11. To determine how much greater petri dish A is from petri dish b, you must divide petri dish A by petri dish b. When you divide the two numbers, the answer is 4,000. The number of bacteria in petri dish A is four thousand times greater than the number of bacteria in petri dish B.</span>