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
stiks02 [169]
2 years ago
11

A 95% confidence interval for the proportion of students achieving a reading achievement score that is above the standard set by

the teachers for a population of third grade students is (0.43, 0.49).
The margin of error of this interval is:

Group of answer choices

0.05

0.03

0.06

None of the above
Mathematics
1 answer:
gizmo_the_mogwai [7]2 years ago
4 0
Answer:

0.03

Explanation:

First, you subtract the upper bound of the confidence interval by the lower bound of the confidence interval. Then, you divide that number by 2 to get the margin or error.

In this case: (0.49 - 0.43)/2 = 0.03
You might be interested in
How many times can a nine go into a 20
PolarNik [594]

A nine can go into a 20 two whole times.  After that, there's still
some room left in the 20, but it's only enough room for a 2.

4 0
3 years ago
Salina's age is one-quarter the age of her aunt. If a represents her aunt's age, which expression represents Salina's
alukav5142 [94]

Answer:

D. A over 4

Step-by-step explanation:

One quarter is equal to \frac{1}{4}. If her aunt is age 'a', than Salina's age is a/4

Hope this helps.

4 0
3 years ago
Read 2 more answers
If fx = 2x^2 + 3 and g(x) = x^2 - 7 find (f - g) (x)
Semmy [17]

(f-g) (x) means to subtract g(x) from f(x)

F(x) = 2x^2 +3

g(x) = x^2

This becomes:

2x^2 + 3 - x^2 = x^2 +3

3 0
2 years ago
Help y<-1/3x+1 y≤2x-3​
patriot [66]

Answer:

-(1/3)x+1>y

2x-3≥y

If x<12/7 then 2x-3≥y

and if x≥12/7 then -(1/3)x+1>y

3 0
3 years ago
Which expression is equivalent to 15x – 2(3x + 6)?
Mkey [24]

Answer: 3(3x−4) is the answer

7 0
2 years ago
Other questions:
  • Jack and Jill are brother and sister. Jack rakes the yard in 5 hours and Jill rakes the yeard in 8 hours. Mom says to rake the y
    8·1 answer
  • What is 20 over 45 in its simplest form?
    12·1 answer
  • What is the probability of tossing two Fair coins and having exactly one land Tails side up
    6·2 answers
  • Complete the following addition problem: $17.32 $24.83 $19.03.
    8·1 answer
  • 3x + 4y=17<br>- 4x – 3y = - 18​
    15·2 answers
  • To be considered as a menu item for Gloria's new restaurant an item must have scored in the top 15% by the food critics in the a
    6·1 answer
  • Does anyone know how to do this
    9·1 answer
  • a bookstore sold a total 43 paperback and hardback books. each paperback books costs $4.50, and each hardback book costs $12.00.
    7·1 answer
  • Please help with this I’m confused
    7·2 answers
  • 3. A machine in a factory makes chairs at a rate of 2 chairs every 10 minutes. - How much time does the machine take to make 5 c
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!