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
lina2011 [118]
3 years ago
8

The time it takes for climbers to reach the highest point of a mountain is normally distributed with a standard deviation of 0.7

5 hours. If a sample of 35 people is drawn randomly from the population, what would be the standard error of the mean of the sample?
0.02
0.13
0.17
0.40
0.76
Mathematics
2 answers:
blondinia [14]3 years ago
6 0
The best approach to this is to use the formular 
Standard error = standard deviation / sqrt( sample size) 
 standard deviation = 0.75 hours
 sample size = 35
 Hence, Standard error = 0.75 /sqrt(35) = 0.126 = 0.13
Troyanec [42]3 years ago
5 0
0.75/sqrt=.125 then rounding it to 0.13 
You might be interested in
Explain what is the slope, and what is the y-intercept.
cluponka [151]

Answer:

slope :

The steepness of a line expressed as a ratio, using any two points on the line.

y-intercept

The value of  y  at the point where a curve crosses the y-axis.

Step-by-step explanation:

8 0
3 years ago
A rectangular garden has an area of 2/3 square miles and a length of 8/9 mile. What is the width of the garden? *HINT: Area form
Rufina [12.5K]

Answer:

the answer is 3/4

Step-by-step explanation:

please make me Brainliest

7 0
3 years ago
Read 2 more answers
Im Not completely sure what this is asking, but can someone please help answer this
solmaris [256]

Answer:

the answer is 60

Step-by-step explanation:

because 2(30)=60

7 0
3 years ago
(-7x^2+3) + (4x^2+2x-1);<br> Find the sum or difference.
ivann1987 [24]
(-7x² + 3) + (4x² + 2x - 1)

-7x² + 3 + 4x² + 2x - 1          

(-7x² + 4x²) + (3 - 1) + 2x      collect like terms

-3x² + 2x + 2     

hope this helps, God bless!
4 0
3 years ago
Someone answer this please!!!! A lot of points for answering.
White raven [17]

Answer: 536.142 in^2

Step-by-step explanation:

trust the loli dragon jesus

7 0
3 years ago
Other questions:
  • Find each sum.Simplify if possible
    15·2 answers
  • the ratio of dogs to cats in the pet store is 3/5. how many cats are there in the store if there are 21 dogs
    5·2 answers
  • True or false? "If two angles form a linear pair, they must be supplementary?"
    11·2 answers
  • Combine like terms. <br><br> 7a^2 - a^2 + 16<br> z^2 + z + 4z^3 + 4z^2<br> 1/4(16 + 4p)
    12·1 answer
  • A published report of a repeated-measures research study includes the following description of the statistical analysis. "The re
    8·1 answer
  • Kate has a balance of $1,080 on her
    9·2 answers
  • Simplify 3ab + 4ab + 5<br><br> 12ab<br> 7ab + 5<br> not possible
    9·2 answers
  • Based only on the given information, it is guaranteed that ac is congruent to bc. true or false?
    11·2 answers
  • Can anyone pls help me fill in the blanks?
    11·2 answers
  • The table shows which school subjects are favored by a group of students. Predict the number of students out of 400 that would p
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!