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
gayaneshka [121]
3 years ago
12

During a concert the temperature should not rise above 40°C.

Mathematics
1 answer:
zaharov [31]3 years ago
6 0

Answer:

the answer is 55

Step-by-step explanation:

if you subtract 40 degrees from 95 degrees you get 55 degrees. There are plenty of other ways to do that problem but i have a little bit of time. SORRY!

                                                                       -  I hope that helped

You might be interested in
A shipment of 50,000 transistors arrives at a manufacturing plant. The quality control engineer at the plant obtains a random sa
Aleks04 [339]

Step-by-step explanation:

remember, the number of possible combinations to pick m out of n elements is C(n, m) = n!/(m! × (n-m)!)

50,000 transistors.

4% are defective, that means 4/100 = 1/25 of the whole.

so, the probability for one picked transistor to be defective is 1/25.

and the probability for it to work properly is then 1-1/25 = 24/25.

now, 500 picks are done.

to accept the shipment, 9 or less of these 500 picks must be defective.

the probability is then the sum of the probabilities to get

0 defective = (24/25)⁵⁰⁰

1 defective = (24/25)⁴⁹⁹×1/25 × C(500, 1)

= 24⁴⁹⁹/25⁵⁰⁰ × 500

2 defective = (24/25)⁴⁹⁸×1/25² × C(500, 2)

= 24⁴⁹⁸/25⁵⁰⁰ × 250×499

3 defective = 24⁴⁹⁷/25⁵⁰⁰ × C(500, 3) =

= 24⁴⁹⁷/25⁵⁰⁰ × 250×499×166

...

9 defective = 24⁴⁹¹/25⁵⁰⁰ × C(500, 9) =

= 24⁴⁹¹/25⁵⁰⁰ × 500×499×498×497×496×495×494×493×492×491 /

9×8×7×6×5×4×3×2 =

= 24⁴⁹¹/25⁵⁰⁰ × 50×499×166×71×31×55×494×493×41×491

best to use Excel or another form of spreadsheet to calculate all this and add it all up :

the probability that the engineer will accept the shipment is

0.004376634...

which makes sense, when you think about it, because 10 defect units in the 500 is only 2%. and since the whole shipment contains 4% defect units, it is highly unlikely that the random sample of 500 will pick so overwhelmingly the good pieces.

is the acceptance policy good ?

that completely depends on the circumstances.

what was the requirement about max. faulty rate in the first place ? if it was 2%, then the engineer's approach is basically sound.

it then further depends what are the costs resulting from a faulty unit ? that depends again on when the defect is usually found (still in manufacturing, or already out there at the customer site, or somewhere in between) and how critical the product containing such transistors is. e.g. recalls for products are extremely costly, while simply sorting the bad transistors out during the manufacturing process can be rather cheap. if there is a reliable and quick process to do so.

so, depending on repair, outage and even penalty costs it might be even advisable to have a harder limit during the sample test.

in other words - it depends on experience and the found distribution/probability curve, standard deviation, costs involved and other factors to define the best criteria for the sample test.

3 0
2 years ago
Expressions that are equal to 4 times the square root of 5
Morgarella [4.7K]

Answer:

Simplify 4/ (square root of 5) 4 √5 4 5 Multiply 4 √5 4 5 by √5 √5 5 5. 4 √5 ⋅ √5 √5 4 5 ⋅ 5 5

Step-by-step explanation:

4 0
2 years ago
Which of the following best describes the equation below? A. linear B. both linear and nonlinear C. neither linear nor nonlinear
Julli [10]

Answer:

Where is the equation at

4 0
3 years ago
Find the product: 3/4 x 2/3. What's the product? 5/7, 6/12, 5/12, 6/7. What is it please help me!!!!
Zolol [24]

Answer:

1/2

Step-by-step explanation:

3/4 x 2/3

= 1/2

3 0
2 years ago
Scale on map 1inch: 3 miles The park is 27miles from the house. How far in inches would it be on the map. Show work
viktelen [127]
There will be 9 inches on the map for we just take 27:3. Hope you get it.
7 0
3 years ago
Read 2 more answers
Other questions:
  • Write as a decimal<br> A) 407 tenths <br> B) 209 hundredths
    5·2 answers
  • Help please!!!<br><br> If 3/7 m= 7/3 n, then what is the value of m/n ?
    5·2 answers
  • Evaluate the following . 3^7 x 3^4
    11·2 answers
  • Write an eqautoin of the line that passes through the give points -3,-2 and 2,-1
    12·2 answers
  • Find an explicit formula for the arithmetic sequence 81,54, 27,0
    9·1 answer
  • What is the surface area of a square pyramid with a base length of 8 and a height of 12
    9·1 answer
  • A circle has a center at A (4,5), Determine the radius of the circle given two end points of the circle are B (9,5) and C (-1,5)
    8·1 answer
  • Please answer no links or repo and no random stuff thanks. no robots please.
    14·1 answer
  • GIVING 50 PONTS TO THE CORRECT ANSWER!! NO LINKS!! ANSWER ALL 4
    12·1 answer
  • The spinner below is spun three times, find all possible outcomes. the spinner has 12 numbers
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!