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
Ray Of Light [21]
3 years ago
10

Data regarding average reported number of calories consumed per day is collected from a random sample of 800 CSUN students chose

n using randomly selected student ID numbers. The mean reported number of calories consumed per day from the sample is found to be 2,700. What is the best estimate for the unknown population average reported number of calories consumed per day of all CSUN students?
a. 1,000
b. 2,340
c. 800
d. 2,700
e. 3,300
Mathematics
1 answer:
Natali [406]3 years ago
5 0

Answer:

d. 2,700

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

The mean of the sample is 2700.

So, by the central limit theorem, the best estimate for the unknown population average reported number of calories consumed per day of all CSUN students is 2700.

You might be interested in
what is the solution to | 3 - 6x | = 15
Sophie [7]
<span> | 3 - 6x | = 15

3-6x = 15 
-6x = 15 -3
-6x = 12
x = -2

</span>-(3-6x) = 15 
-3+6x = 15
6x = 15 +3
6x = 18
x =3

solutions x = -2 and x = 3
5 0
3 years ago
Read 2 more answers
Dots sells T-shirts ($5) and shorts ($8). In April, total sales were $560. People bought 4 times as many T-shirts as shorts.
iogann1982 [59]

Answer:

Number of T-shirts sold = 80 and number of shorts sold = 20

Step-by-step explanation:

This question is incomplete. If we have to calculate the number of shirts and T-shirts sold by Dots then we will calculate this question as below.

Let the number of shorts sold = s

And the number of T-shirts sold = T

Dots sells T-shirts at $5 and shots at $8 in April.

Equation for this situation will be,

5T + 8s = 560 -----(1)

Number of T-shirts sold are 4 times the shorts,

T = 4s ----- (2)

By substituting the value of T from equation (2) in equation (1),

5(4s) + 8s = 560

20s + 8s = 560

28s = 560

s = 20

From equation (2),

T = 4(20)

T = 80

Number of T-shirts sold = 80 and number of shorts sold = 20

6 0
3 years ago
Write the equation of the line in fully simplified slope-intercept form.
dangina [55]

Answer:

y = 5x - 2

Step-by-step explanation:

y = mx+b

7 0
3 years ago
Read 2 more answers
Whats the value of x <br><br>A 95<br><br>B 105<br><br>C 75<br><br>D 85​
professor190 [17]

Answer:

D. 85

Step-by-step explanation:

The sum of the interior angles of a triangle is equal to 180. Since we already know 2 of the interior angles of that triangle (40 and 55), we can subtract those two angles from 180 to find x.

180 - 40 - 55 = 85

6 0
3 years ago
Read 2 more answers
Solve the following equation and show all work.
12345 [234]
3(2x + 8) = 14x - 4(2x - 6)

In the first equation, multiply everything in the parenthesis by 3.
In the second equation, multiply everything in the parenthesis by -4.

6x + 24 = 14x - 8x + 26

Combine like terms.

6x + 24 = 6x + 26

Subtract 24 from both sides.

6x = 6x + 2

Subtract 6x from both sides.

0 = 2

This means that there are no solutions.

Hope this helps!
6 0
3 years ago
Read 2 more answers
Other questions:
  • If angle CFD = 12a + 45, find a so that FC is perpendicular to fd
    13·1 answer
  • Help meeee with this please
    12·1 answer
  • Ben left a 20% tip for his later if he left $4.20 how much did his bill come before the tip
    8·2 answers
  • HELP HELP HELP HELP FOR 5 STAR AND BRAINLEIST​
    11·1 answer
  • She buys 1000 candy bars for $350. What is the unit cost per candy bar?
    5·1 answer
  • 5TH GRADE LEVEL QUESTION. LOOK AT PHOTO AND LIST BY STEP 1 2 AND 3. GIVING BRAINLIEST.
    15·1 answer
  • Kevin needs of a yard of fabric to make a pillow. He has 35 yards of fabric.
    11·1 answer
  • I need help with these question! Please explain step by step-
    10·1 answer
  • Maurice and his father are building a dog house. They are using long pieces of wood and cutting them into smaller pieces. They h
    11·1 answer
  • 5 hockey pucks and three hockey sticks cost $23. 5 hockey pucks and 1 hockey stick cost $20. How much does 1 hockey puck cost?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!