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
Lana71 [14]
1 year ago
14

A plant manufactures part whose lengths are normally distributed with a mean of 16.3 centimeters and a standard deviation of 2.5

centimeters.
Question:

If one part is randomly selected, find the probability that the part is between 10.8 and 12.8 centimeters.
Mathematics
1 answer:
EastWind [94]1 year ago
8 0

The probability that the plant manufactures a part between 10.8 and 12.8 centimeters 13%

<h3>How to find the probability that the part is between 10.8 and 12.8 centimeters</h3>

The probability is solved z scores, this measures the amount of standard deviation sample X is from mean. the formula is below

z = (X - μ) / σ

<u>Definition of variables</u>

mean, μ = 16.3 centimeters

standard deviation, σ = 2.5 centimeters

X = 10.8 and 12.8 centimeters

z score, z

substituting into the formula

for X = 12.8 centimeters

=  (X - μ) / σ

= (12.8 - 16.3) / 2.5

= -1.4

the p value for z of -1.4 = 0.161513

for X = 10.8 centimeters

=  (X - μ) / σ

= (10.8 - 16.3) / 2.5

= -2.2

the p value for z of -2.2 = 0.027807

the probability is calculated as below

0.161513 - 0.027807= 0.133706

= 0.13

=13%

Learn more about standard deviation at:

brainly.com/question/28948351

#SPJ1

You might be interested in
Is this congruent by SSS, SAS, AAS, ASA??
sleet_krkn [62]

Answer:

sss

Step-by-step explanation:

6 0
3 years ago
Suppose the length and width of the rectangle are doubled. What effect would this have on the area? Justify your answer
Marta_Voda [28]

Answer:

the area would be 4 times

Step-by-step explanation:

4* 17 = 68

8* 34 = 272

272/68= 4

6 0
3 years ago
The LCM of 2 numbers is 60 and 1 of the numbers is 7 less than the other number. What are the numbers?
Phoenix [80]
Let's represent the two numbers by x and y.  Then xy=60.  The smaller number here is x=y-7.

Then (y-7)y=60, or y^2 - 7y - 60 = 0.  Use the quadratic formula to (1) determine whether y has real values and (2) to determine those values if they are real:

discriminant = b^2 - 4ac; here the discriminant is (-7)^2 - 4(1)(-60) = 191.  Because the discriminant is positive, this equation has two real, unequal roots, which are
        -(-7) + sqrt(191)
y = -------------------------
             -2(1)

and 

        -(-7) - sqrt(191)
y = ------------------------- = 3.41 (approximately)
             -2(1)

Unfortunately, this doesn't make sense, since the LCM of two numbers is generally an integer.


Try thinking this way:  If the LCM is 60, then xy = 60.  What would happen if x=5 and y=12?  Is xy = 60?  Yes.  Is 5 seven less than 12?  Yes.






5 0
3 years ago
Y= x^2-4x+3 in vertex form
Karolina [17]

Answer:

y=(x-2)^2-1

Step-by-step explanation:

<u>Complete the square</u>

<u />y=x^2-4x+3\\\\y+1=x^2-4x+3+1\\\\y+1=x^2-4x+4\\\\y+1=(x-2)^2\\\\y=(x-2)^2-1

4 0
2 years ago
Lhbui=]\k;m#wqeryuk;'][4<br>\75'];[pouy64awreygukpl[;'k;yftawe<br>Q$\
lesya [120]

Answer:

Hmmm not sure I can answer that but if you do ever have a question let me know! :)

Step-by-step explanation:

4 0
2 years ago
Other questions:
  • She has dimes and quarters 94 coins total the value is $19.30. How many of each does she have?
    15·1 answer
  • The diameter of a circle is 3 cm. Find its area to the nearest tenth.
    12·2 answers
  • Please help! i’m struggling in math so much!
    10·1 answer
  • If Ray QS bisects angle PQR , m of angle PQS=7x-6 and m of angle SQR =4x+15,find m of angle PQT
    7·1 answer
  • 3.8y+4/7x+2=0 for y =?
    10·1 answer
  • A successful basketball player has a height of 6 feet 9 ​inches, or 206 cm. based on statistics from a data​ set, his height con
    10·2 answers
  • 3 questions, 20 points! Geometry questions :)
    9·2 answers
  • How much material is needed to make the Nón Lá Vietnamese leaf hat? Round to the nearest tenth.
    7·1 answer
  • How many ways can a lamp be order if it comes in 12 colors and has a choice of 8 shades
    12·2 answers
  • List the angle measures of △VWX in order from smallest to largest. Assume that t is a positive number.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!