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
Maurinko [17]
3 years ago
15

Cheryl wants to find the number of hours seventh-graders do homework each week. There are 297 boys and girls in seventh grade. I

f Cheryl randomly surveyed 50 girls in the entire school to find the number of hours seventh-graders do homework each week, describe why she would get a biased sample.
Mathematics
2 answers:
Dafna1 [17]3 years ago
8 0
There are a total of 297 students in the 7th grade. Rough estimates would say that about half of that number are boys and half are girls. Asking only 50 random girls would be biased because not only would it not be all of the girls (the number of girls would be around 148 or 149) but it would also be ignoring the roughly 148 to 149 boys there are on estimate. The sample would be biased because it would be ignoring the opinions of more than half the seventh grade.
amid [387]3 years ago
8 0

Answer:

D) She can randomly survey 50 seventh-graders in the school.  Hope it helps :)

Step-by-step explanation:


You might be interested in
. Find the number of doughnuts for the workers if there are typically 3
Elena-2011 [213]

Answer:

25 doughnuts

Step-by-step explanation:

for 15 workers,

the numbers of doughnuts =

5 doughnuts/3 workers × 15 workers

= 75/3 doughnuts

= 25 doughnuts

7 0
3 years ago
Read 2 more answers
The probability that an event will occur is 15%. Which of these best describes the likelihood of the event occurring? (5 points)
olga_2 [115]
Unlikely because certain would be 100% which is wrong
6 0
3 years ago
Select the correct answer.
Pie

Answer:

a.

Step-by-step explanation:

a= y-k/ (x-h)^2

<h2>Make me a brain list</h2>
6 0
2 years ago
The profits in a business are to be shared by the three partners in the ratio of 3 to 2 to 5, in that order. The profit for the
jeka94

Answer:

The first partner will receive $52950, the second partner will receive $35300, the third partner will receive $88250.

Step-by-step explanation:

The profits in the business are to be shared by the three partners in the ratio of 3 to 2 to 5, in that order.

That is:

3 : 2 : 5

The profit for the year was $176,500.

To find the number of dollars that each partner, we have to first find the total ratio and then divide each of the ratios by the total ratio and multiply by the profit.

The total ratio is:

3 + 2 + 5 = 10

The first partner will receive 3/10 of the profits:

\frac{3}{10} * 176500 = $52950

The second partner will receive 2/10 of the profits:

\frac{2}{10} * 176500 = $35300

The third partner will receive 5/10 of the profits:

\frac{5}{10} * 176500 = $88250

The first partner will receive $52950, the second partner will receive $35300, the third partner will receive $88250.

7 0
3 years ago
If you earn $1200 per month and you expect your earnings to increase by 10% per year, what monthly salary would you be making in
Sergio [31]
So u turn the percent into a decimal.
0.10 
Now multiply 1200 * 0.10
1200*0.10= 120 ( 120 is the amount that is gonna increase)
So if it says 5 years, than your gonna multiply 120 * 5 
120*5 =600
So your gonna add 600 to 1200.
So in five years your gonna be making 1,800.
An easier way would be to use prt
Principle * rate * time
1200 * 0.10* 5
= 600
So now you just add 600 to 1200
= 1800

7 0
3 years ago
Other questions:
  • Paula pays 19.92 for 2.4 of walnuts. What is the price per pound of walnuts?
    13·2 answers
  • PLZ ANSWER RIGHT AWAY!!!!!!!!!!!!!
    8·2 answers
  • . I. The graphs of all linear relationships are a line.
    13·1 answer
  • Determine if the rates are equivalent. Explain your reasoning. 5 cans of soup for $3.75; 8 cans of soup for $6.00
    8·1 answer
  • 16 cars are parked if 1/4 of them are blue how many cars are blue
    7·2 answers
  • Help! Approximately what portion of the circle is shaded blue ? A.3/4 B.1/2 C.5/9
    6·1 answer
  • 234 is 45% of what amount
    9·1 answer
  • Scientific notation 0.0094592<br> Scientific notation 0.94592
    5·2 answers
  • In a long-distance relay contest, Team A completed the race in 5 2/3 hours, and Team B completed the race in 294 minutes. How mu
    13·1 answer
  • Quadrilateral PRST is transformed according to the rule (x, y) → (x + 9, y +4) to create quadrilateral P'R'S'T'.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!