Answer:
They are equal.
Step-by-step explanation:
Answer:
Option c:

Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of
, and a confidence level of
, we have the following confidence interval of proportions.

In which
z is the z-score that has a p-value of
.
For this problem, we have that:
You have access to first year enrolment records and you decide to randomly sample 119 of those records. You find that 89 of those sampled went on to complete their degree. This means that
.
90% confidence level
So
, z is the value of Z that has a p-value of
, so
.
Sample of 90 people with a sample proportion of 0.25
This means that
.
Confidence interval:


Which is option c.
Answer:
3 8/9 inches one minute
Step-by-step explanation:
Since 1 2/3=5/3
he would travel 5/3 x 7 in 3 minutes
35/3 in 3 minutes
or 35/9 in one minute
3 8/9 inches one minute
Answer:
∠ 2 = 86°
Step-by-step explanation:
Vertical angles are congruent, thus equating gives
20x - 14 = 17x + 1 ( subtract 17x from both sides )
3x - 14 = 1 ( add 14 to both sides )
3x = 15 ( divide both sides by 3 )
x = 5
Thus
∠ 2 = 20x - 14 = 20(5) - 14 = 100 - 14 = 86°