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
Naddik [55]
3 years ago
6

A bulb after certain testing had a life of 25 months. The standard deviation based on this sample of size one is

Mathematics
1 answer:
lapo4ka [179]3 years ago
8 0

Answer:

<h2>25 months</h2>

Step-by-step explanation:

Using the formula for calculating the standard error of the mean to get the standard deviation. The standard error of the mean is expressed as;

SE = S/√n where;

S is the standard deviation

n is the sample size

Given SE = 25 months and n = 1, on substituting this parameters into the formula, we will have;

25 = S/√1

25 = S/1

cross multiply

S = 25*1

S = 25 months

<em>Hence the standard deviation based on the sample is 25 months</em>

You might be interested in
Name
Rudiy27

I think you're missing a bit of the question. If her savings can be modeled by x...?

3 0
3 years ago
Josie and Luke have three sunflowers and four bluebonnets. Josie selects a flower at random. Then Luke chooses a flower at rando
muminat
Luke has a 4 out of 7 chance to get a bluebonnet and Josie has a 3 out of 7 chance to get a sunflower
6 0
3 years ago
Read 2 more answers
Someone plz help because I am using my last amount of points and I don't want it to be wasted from no answer.I need help with qu
ser-zykov [4K]
Wheres the questions???
7 0
3 years ago
What are the zeros of the polynomial function?
Genrish500 [490]

Hello from MrBillDoesMath!

Answer:

x = 2 and 10


Discussion:

Approach 1:

20 = (-10)*(-2) and  (-10) + (-2) = -12 the coefficients of the polynomial. Hence

x^2 -12x + 20 = ( x- 2) * ( x-10)


Approach 2:

From the quadratic formula ( a = 1, b = -12, c = 20)

x =    (  -(-12) +\- sqrt( ((-12)^2 - 4*1*20) )  /  (2 * 1)

   =    ( 12 +\- sqrt( 144-80)  ) /2

  =   (12 +\-  sqrt(64) ) /2

  =  (12 +\- 8 ) /2


x  = ( 12 + 8) /2 = 20/2 = 10

or

x = ( 12 - 8)/ 2 = 4/2 = 2



Thank you,

MrB

5 0
3 years ago
Read 2 more answers
Irma has 5/6 yard of ribbon. She cuts it into 1/6 yard pieces.How many pieces of ribbon does she have
Aleksandr-060686 [28]

Answer: 1? idk use google :)

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • Which statement about 6x2 + 7x – 10 is true?
    11·2 answers
  • Suppose a normal distribution has a mean of 16 and a standard deviation of 4.
    7·2 answers
  • 2/3 yd=_ft?<br> THIS IS 10 POINTS!
    12·2 answers
  • Hey I would really appreciate it if you could show me how to answer two questions thanks:
    9·2 answers
  • You need at least $715 to go on a trip to Arizona. You have already saved $350. You decide to save an additional $85 per week. W
    13·1 answer
  • A spring balance measures?<br>​
    11·1 answer
  • PLEASE HELP Which expression represents the difference quotient of the function f (x) = negative StartRoot 2 x EndRoot?
    13·2 answers
  • Find the DISTANCE of line segment AB with point A​
    9·1 answer
  • If y varies inversely with x and y = 5 when x = 4, which equation that relates x and y?
    13·1 answer
  • Raymond’s gas tank is 1/3 full. After he buys 11 gallons of gas, it is 5/6 full. How many gallons can Raymond’s tank hold?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!