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
kolezko [41]
3 years ago
6

A container holds 50 electronic components, of which 10 are defective.

Mathematics
1 answer:
Gala2k [10]3 years ago
4 0

Answer:

There is some inforrmation that is missing in this question. It should read:

A container holds 50 electronic components, of which 10 are defective. If 6 components are drawn at random from the container, the probability that at least 4 are not defective is . If 8 components are drawn at random from the container, the probability that exactly 3 of them are defective is .

Answers

Part 1.   0.02

Part 2.  0.0375

Explanation

The probability is a chance of an event happening. It is calculated as;

probability = (Number of favourable outcome)/(Number of available outcome)

Part 1

6 are chosen at random. If 4 are not defective, then 2 are defective.

P(at least 4 are not defective) = 4/40 × 2/10

                                               = 1/10 ×1/5

                                               = 1/50

                                                = 0.02

Part 2

8 are chosen at random. If 3 are defective, the 5 are not defective.  

P(3 are defective) = 3/40 × 5/10  

                            = 15/400

                            = 3/80

                           = 0.0375

Step-by-step explanation:

You might be interested in
Biught 820 books and 34 books on a shelf how many shelves
kramer
24.12 because you have to divide 34 into 820 and then you get 24.12
6 0
4 years ago
Which transformation of triangle T will produce triangle U?
Bezzdna [24]

Answer:A

Step-by-step explanation:

6 0
4 years ago
Type the correct answer in each blank. Use numerals instead of words. If necessary, use / for the fraction bar(s). John hosts an
Law Incorporation [45]
We know that <span>John is hosting an art workshop on the weekends. </span>He has an average of 14 students in each session and charges a fee of $12 per session. <span>. He estimates that for every $2 increases in the fee, the average number of students reduces by 1. 

Therefore, we can conclude that </span><span>his revenue is 14 * 12 or 168 bucks. 

T</span><span>he session price goes up in a pattern of 2. 

For example, from 12 the session price goes to 14, 16, 18 and so on.  

As each jumps goes by 2, the amount of students drop by 1. 

(i.e from 14 students the number decreases to 13, to 12 and so on.) 

As we can see the</span> revenue begins at 168 and continues upward until it reaches 200 dollars and then starts to descend.

This indicates that the<span> U-turn or vertex of the revenue function is approximately 4200, where h represents 4, and k is 200. 

To solve we can use Parabola. 

</span>⇒  Parabola: any point is at an equivalent separation from: 

a settled point (the concentration ), and 

a settled straight line (the directrix )

____________________________________________________

f (x) = a(x - h)^2 + k, where (h, k) is the vertex of the parabola.

⇒ \left \{ {{y=192} \atop {x=2}} \right. 

⇒ 192 = a(2-4)^2+200 

⇒ -8=a(-2)^2 

⇒ -8=a*2^2 

⇒ -8=a*4 

⇒ -8=4a 

⇒ -\frac{8}{4} =  \alpha 

⇒ \alpha = -2 

Now lets do the final step: Simplifying 

y-2(x-4)^2+200<span> 

y=-2(x^2-8x+16)+200 

y=-2x^2+16x-32+200 

c(x) = -2x^2+16x+168</span>

3 0
4 years ago
Help need answers asap
Rasek [7]

Answer:

x = 25

y = 6

Step-by-step explanation:

< B = < M

2x - 20 = 30

2x = 50

<u>x = 25</u>

AB = LM

7y - 8 = 2y + 22

5y = 30

<u>y = 6</u>

7 0
3 years ago
Karl drove for 4 hours. For part of the trip he drove at 50 miles per hour. For the rest of the trip he drove at 100 miles per h
Nataliya [291]

Answer:

3 hours

Step-by-step explanation:

250 = 50h + 100(4 - h)

250 = 50h + 400 - 100h

250 = -50h + 400

-150 = -50h

h = 3

6 0
3 years ago
Other questions:
  • Which of the following best describes the graph below?
    6·2 answers
  • If f(x) = |2x - 4|, find f(-7)
    5·2 answers
  • What is 6 thousandths of a meter of a decimal
    11·2 answers
  • Evaluate: 792.6 ÷ 10-4<br><br> remember it is not 10-4. it is 10 to the -4 power
    15·2 answers
  • Create a list of 5 potential jobs that students of pharmacology can obtain.
    13·2 answers
  • Fill in the blank<br>PLEASE HELP FAST (will give brainliest)
    10·2 answers
  • Write a story to match the equation x + 2 1/2 = 10
    7·1 answer
  • Solve for c 11=-1-c/2 and have a bless day
    7·1 answer
  • Gerald works at a warehouse that ships products to various grocery stores. He has 230 boxes of oatmeal to ship. If Gerald can pl
    9·2 answers
  • 3x+5y= -9<br> Y= 2x-7<br> Use substitution to solve the system
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!