1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Anna [14]
3 years ago
8

A random sample of 69 SAT scores of students applying for merit scholarships showed an average of 1500 with a standard deviation

of 240. If we want to provide a 95% confidence interval for the population mean SAT score, what are the degrees of freedom for reading the t value
Mathematics
1 answer:
Alex787 [66]3 years ago
5 0

Answer:

68

Step-by-step explanation:

The formula required to calculate degrees of freedom is given as:

Number of samples - 1

From the above question:

The number of samples = 69

The degrees of freedom is calculated as:

69 - 1

= 68

You might be interested in
Evaluate if a = 28 and b = -3.<br> a<br> 4 + b<br> = [?]
SVEN [57.7K]

Answer:

109

Step-by-step explanation:

(4)28+(-3)

4*28=112

112+(-3)

112-3

109

Hope this helps, LMK if its right

4 0
3 years ago
, list the first five terms of each sequence, and identify them as arithmetic or geometric.
Natali [406]

Answer:

Step-by-step explanation:

A_{n+1}=14*A_{n}

A_{1}=8

A_{1+1}=14×8=112

A_{2}=112

A_{3}=14*A_{2}=14×112=1568

A_{4}=14*A_{3}=14×1568=21952

A_{5}=14*A_{4}=14×21952=307328

7 0
3 years ago
Julie needs to cut 4 pieces of yam, each with the same length, and a piece of yarn 7.75 inches long. Let x represent the
Lapatulllka [165]

Answer:

She has to cut another piece = 7.75 inches

Total length = 4x + 7.75

This is what y represent, so

y = 4x + 7.75

The graph of the equation is continuous

4 0
3 years ago
A number is K units to the left of 0 on the number line. Describe the location of its opposite
Ksju [112]


------------------------(- K)-------------0-------------(+K)-----------------

K unit to the left of 0, means K is negative.
The opposite of (-K) is (+K), both are symmetric vs. the origin "0", then its location will be +K
6 0
3 years ago
I really need help please!
miskamm [114]
Simple...

you have: \frac{ 3^{-4}* 2^{3}* 3^{2}   }{ 2^{4}* 3^{-3}  }

Multiply it out-->>

\frac{8}{9}÷\frac{16}{27}

=\frac{3}{2} (A)

Thus, your answer. 
5 0
3 years ago
Other questions:
  • 700 tickets were sold for a game for a total of $1,187.50. If adult tickets sold for $2.00 and children's tickets sold
    12·1 answer
  • Find the zeros in the function.<br><br> y=(x+2)(x-6)(x-7)<br><br> Please help me!
    11·1 answer
  • Point K is graphed on a number line at 3. Point L is 11 units away from point K on the number line.
    11·1 answer
  • 2 Points
    5·1 answer
  • Each cupcake costs $4.00 how many cupcakes (x) are purchased if the total cost is $36.00
    11·2 answers
  • Sebastian compro dos alfajores de $ 2,65 cada uno y un chocolate. Si pago con $ 20 y le dieron $ 6,25 de regreso, ¿cuánto cuesta
    7·1 answer
  • Approximately 0.02 Love north Atlantic lobsters are born blue color out of 5000 Atlantic lobsters how many would you expect to b
    5·1 answer
  • Can somebody help me with the problem in the picture :( pleasee
    7·2 answers
  • Which term is a perfect square of the root 3x4?
    5·2 answers
  • Marc mixes blue and yellow paint to make his favorite shade of green, which he'll use to paint his house. He has 14 cans of blue
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!