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
nasty-shy [4]
2 years ago
8

Human visual inspection of solder joints on printed circuit boards can be very subjective. Part of the problem stems from the nu

merous types of solder defects (e.g., pad non-wetting, knee visibility, voids) and even the degree to which a joint possesses one or more of these defects. Consequently, even highly trained inspectors can disagree on the disposition of a particular joint. In one batch of 10,000 joints, inspector A found 728 that were judged defective, inspector B found 744 such joints, and 1365 of the joints were judged defective by at least one of the inspectors. Suppose that one of the 10,000 joints is randomly selected.a. What is the probability that the selected joint was judged to be defective by neither of the two inspectors?b. What is the probability that the selected joint was judged to be defective by inspector B but not by inspector A?
Mathematics
1 answer:
Basile [38]2 years ago
6 0

Answer:

a) 0.8841

b) 0.0435

Step-by-step explanation:

A : the set of joints deemed defective by inspector A.

B: the set of joints deemed defective by inspector B.

U: the set of all joints.

The problem says |A|=724, |B|=751, |A∪B|=1159, |U|=10000. Hence, with the help of Venn diagram we can answer the following:

Part a)

This asks for the number of joints that are ∉(A∪B).

hence,

P (∉(A∪B)) :

\frac{10000-1159}{10000} \\\\=0.8841

part b)

This asks for the number of joints that are in B but not in A, which Is represented as the set B−A

= \frac{|B| - |AandB| }{|U|}\\\\=  \frac{751-316 }{10000}\\\\= 0.0435

You might be interested in
How do the two interger chip models show that -9-(-4) is the same as -9+4?
natali 33 [55]

Answer:

Two negatives together get a positive

Step-by-step explanation:

-9-(-4)

-(-4)

+4

8 0
3 years ago
I need help thx .:D :D :D :D :D :D :D :D :D :D
Bumek [7]

Answer:

B) False.

Step-by-step explanation: 8 to the power of 2 plus 10 to the power of 2 gives you 164 but 18 to the power of 2 equals 324. In order to make a right triangle the answers have to be the same, but they are not so Paul cannot make a right triangle. Hope this answered your question.

7 0
3 years ago
Read 2 more answers
1. Determine if the lengths 9 cm, 13 cm, and 23 cm can form a triangle.
laila [671]
A tell me out of 9 13 23
What is the smallest number or the number closest to 0
6 0
2 years ago
A recipe for bran muffins calls for 2 1/2 cups of bran flakes. The recipe yields 9 muffins. How much bran flakes should be used
kolbaska11 [484]

10/3 bran flakes can make a dozen muffins

A recipe requires 2 1/2 cups of bran flakes

The recipe can make 9 muffins

Let's calculate the amount of bran flakes it will take to make 1 muffin

5/2 = 9

x= 1

cross multiply

9x= 5/2

x= 5/18

A dozen is 12, the number of bran flakes to make a dozen can be calculated as follows

5/18= 1

y= 12

cross multiply

y= 5/18 × 12

y= 10/3

Hence it will take 10/3 to make a dozen muffins

Read more here

brainly.com/question/13876035?referrer=searchResults

#SPJ1

4 0
1 year ago
You are studying for your final exam of the semester. up to this point,you recieved 3 exam scores of 76%,99%, and 86%. to reciev
Levart [38]
What you have to do is add up the amount of total grade scores. 76+99+86+x. You get 261+x. you have to get 99% or higher

4 0
3 years ago
Read 2 more answers
Other questions:
  • If 3x + 5 = 15, what is the value of the expression (3x + 2)(3x + 3)(3x + 4)?
    6·2 answers
  • Jerry pick 16 apples he picked 27 green apples how many apples did Jerry pick label the bar model write a number sentence with a
    12·1 answer
  • The value of 2 in 2,783 is how many times the value of 2 in 7,283?
    13·2 answers
  • Which is bigger ⅞ or 5/8
    7·2 answers
  • Evaluate. 62+(3⋅4)−24 Enter your answer in the box. plz help mehh someone out there ty
    10·2 answers
  • What is X in this equation.<br><br>7x+23=-6x-42<br><br>Please Explain.​
    5·2 answers
  • In one game, Jeremy’s quarterback had two touchdown passes,18 complete passes,6 incomplete passes, and 2 interceptions.How many
    15·1 answer
  • What are the zeros of this function?
    10·1 answer
  • Identify the solution set 2(-x -9) = -2x + 8
    12·1 answer
  • Alex is a stockbroker. He earns 12​% commission each week. Last​ week, He sold ​$ 7,200worth of stocks. How much did he make las
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!