Answer:

Step-by-step explanation:
Since we're given that a batch requires 3 and one fourths cups of sugar, this is written as

If she wants 6.5 batches then we just cross multiply
1 batch=
6.5 batches=x
X=
X=
X=
X=
X=
Answer:4. 0.09333333333
5. 8 oz
Step-by-step explanation:
Using the z-distribution, it is found that the lower bound of the 99% confidence interval is given by:
d. 68.39%.
<h3>What is a confidence interval of proportions?</h3>
A confidence interval of proportions is given by:

In which:
is the sample proportion.
In this problem, we have a 99% confidence level, hence
, z is the value of Z that has a p-value of
, so the critical value is z = 2.575.
The sample size and estimate are given by:

Hence, the lower bound is given by:

Hence the lower bound is of 68.39%, which means that option D is correct.
More can be learned about the z-distribution at brainly.com/question/25890103
#SPJ1
Answer:
The answer is B. (2.5,-0.5).
Step-by-step explanation:
You would substitute the ordered pair into the first equation, making it
3(2.5)-(-0.5)=8. So the equation would become 7.5-(-0.5)=8, or 7.5+0.5=8. 8=8 is a true statement.
Answer:boo
Step-by-step explanation:I a ghost