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
lions [1.4K]
3 years ago
14

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12.3 years, and standard deviation of

0.8 years. If you randomly purchase one item, what is the probability it will last longer than 14 years

Mathematics
1 answer:
Zolol [24]3 years ago
5 0

Answer:

probability of lasting longer = 1.7%

Step-by-step explanation:

We are given:

x' = 14 years

μ = 12.3 years

s = 0.8 years

Thus, let's use the formula for the Z-score value which is;

z = (x' - μ)/s

Thus;

z = (14 - 12.3)/0.8

z = 2.125

From the z-distribution table attached, the p-value is ;

P(x' > 2.125) = 1 - 0.983 = 0.017 = 1.7%

Thus,probability of lasting longer = 1.7%

You might be interested in
Find the slope of (1, 2) (-3, 5) SHOW ME STEP BY STEP
Sloan [31]

-3/4

Step-by-step explanation:

f(x) = (1,2) & (-3,5)

f(x) = y²-(y¹)

_____

x²-(x¹)

y=5-2

___

-3-1

y=-3/4

7 0
2 years ago
Read 2 more answers
Which fraction is not in simplest form? Explain. <br> : 9/21 , 7/18, 3/25, 12/31
Slav-nsk [51]
9/21 because it can still be reduced to 3/7

8 0
3 years ago
Read 2 more answers
Which ordered pair represents the x- intercept?
tatiyna
W just like said that I don’t have to get my hair
3 0
3 years ago
A deep sea diving bell is being lowered at a constant rate. After 12 minutes, the bell is at a depth of 600 ft. After 30 minutes
Masteriza [31]

The answer is D i think

4 0
3 years ago
Read 2 more answers
Mr.Baker is making a box using all of a 48-inch strip of oak. the box will be 14 inches wide. how long will the box be?
blsea [12.9K]

The length of the box made by Mr. Baker is 10-inch

Mr. Baker has strip of 48- inch long  oak, by this strip he is making the rectangle box of width 14-inch.

<h3>What is a rectangle?</h3>

The rectangle is 4 sided geometric shapes whose opposites are equal in lengths and all angles are about 90°.

As Mr. Baker has a strip that is 48-inch long and he made a rectangle box with it.

The width of the  box = 14 inches
now the length of the box = (total length of the strip - 2* width of the box)/2
⇒ length of the box = (48 - 2*14)/2
⇒ length of the box = 10 inches

Thus the Mr. Baker made the box which is 10 inches long.

learn more about rectangles here:
brainly.com/question/15019502

#SPJ1

7 0
2 years ago
Other questions:
  • Please help me, ASAP.. Ummm?!!
    15·1 answer
  • Add a sign. <br> 6 5 8 1 2=7,896
    9·2 answers
  • In the 6/49 lottery game, a player picks six numbers from 1 to 49. how many different choices does the player have if repetition
    8·1 answer
  • Luis has two cars. His minivan gets 18 miles per gallon of gasoline and his compact gets 24 miles per gallon. How many gallons o
    8·1 answer
  • Which two triangles are congruent by ASA? <br> MP bisects QO and angle MQP congruent angle ROP
    5·2 answers
  • Model Tenths and Hundredths
    6·1 answer
  • -c - 11&gt;23 solving inequality if u show your work I'll make yo brainliest
    12·1 answer
  • When two parallel lines are intersected by a transversal, alternate exterior angles are?
    10·2 answers
  • 50 POINTS AND BRAINLIEST IF IT INCLUDES STEPS
    13·1 answer
  • Its calculus. I need help for (i). Thank you.​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!