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Karolina [17]
3 years ago
12

-0.848= -0.2(6.5n-2) Enter only the value of the variable

Mathematics
2 answers:
Schach [20]3 years ago
8 0

Answer:

n= 0.96

Step-by-step explanation:

baherus [9]3 years ago
6 0

Answer:

The answer is n=.00982677

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Suppose the mean GPA of all students graduating from a particular university in 1975 was 2.40. The registrar plans to look at re
ycow [4]

Answer:

Correct option:

(B) <em>H₀</em>: <em>μ</em> = 2.40 vs. <em>Hₐ</em>: <em>μ</em> ≠ 2.40.

Step-by-step explanation:

The registrar of particular university in 1975 plans to look at records of students graduating last year to see if the mean GPA has changed from 2.40.

The registrar can use a single mean test to determine whether the mean has changed or not.

The hypothesis can be described as:

<em>H₀</em>: The mean GPA is 2.40, i.e. <em>μ</em> = 2.40.

<em>Hₐ</em>: The mean GPA is different from 2.40, i.e. <em>μ</em> ≠ 2.40.

To perform the test the registrar can either use a <em>z</em>-distribution or a <em>t</em>-distribution.

If the data provided gives some insight about the population standard deviation and the sample selected is quite large then the <em>z</em>-distribution can be used.

Otherwise it is wiser to use a <em>t</em>-distribution.

The decision rule is:

If the <em>p</em>-value of the test is less than the significance level then the null hypothesis will be rejected and vice-versa.

Thus, the correct option is (B).

6 0
3 years ago
The coordinates of points A and L are -4 and 12, respectively. What is the coordinate of the midpoint between them?
Nostrana [21]
I'm not Totally sure but I'm pretty sure its B<span />
3 0
3 years ago
How do you show your work for 4.71- 3.82=
Anastaziya [24]
Answer is 0.89 sorry for bad drawing and putting 89 as the answer instead of 0.89

3 0
3 years ago
Which represents the solution set of the inequality 15y-9&lt;36?
hram777 [196]
1) Add 9 to both sides
2) You get 15y<45
3) Divide by 15 on both sides
4) You get y<15

Remember that < is less than and > is greater than
Also note that when you divide by a negative number, you need to flip the inequality symbol.
4 0
3 years ago
a wildlife photographer spent 5 minutes taking pictures of a bison at a park. when the bison then decided she didn't want her ph
ZanzabumX [31]

The percent of time the photographer spent negotiating with the bison greater than the time he spent taking pictures is 500%

<h3>Percentage</h3>

  • Time spent taking pictures = 5 minutes
  • Time spent negotiating = 30 minutes

Percentage of time negotiating greater than taking pictures = (difference in time) / time to take pictures × 100

= (30 - 5) / 5 × 100

= 25/5 × 100

= 5 × 100

= 500%

Learn more about percentage:

brainly.com/question/843074

#SPJ1

4 0
2 years ago
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