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never [62]
3 years ago
5

Write the percentage as a fraction or mixed number in simplest form

Mathematics
1 answer:
matrenka [14]3 years ago
3 0

Answer:

here is how.

Step-by-step explanation:

for example if fraction is 10/25 then you multiply the bottom to a 100. 25 times 4 is 100 and then you do the same to the top. 10×4=40 therefore the awnser would be 40%

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he number of surface flaws in plastic panels used in the interior of automobiles has a Poisson distribution with a mean of 0.02
Yakvenalex [24]

Answer:

a) 98.01%

b) 13.53\%

c) 27.06%

Step-by-step explanation:

Since a car has 10 square feet of plastic panel, the expected value (mean) for a car to have one flaw is 10*0.02 = 0.2  

If we call P(k) the probability that a car has k flaws then, as P follows a Poisson distribution with mean 0.2,

P(k)= \frac{0.2^ke^{-0.2}}{k!}

a)

In this case, we are looking for P(0)

P(0)= \frac{0.2^0e^{-0.2}}{0!}=e^{-0.2}=0.9801=98.01\%

So, the probability that a car has no flaws is 98.01%

b)

Ten cars have 100 square feet of plastic panel, so now the mean is 100*0.02 = 2 flaws every ten cars.

Now P(k) is the probability that 10 cars have k flaws and  

P(k)= \frac{2^ke^{-2}}{k!}

and  

P(0)= \frac{2^0e^{-2}}{0!}=0.1353=13.53\%

And the probability that 10 cars have no flaws is 13.53%

c)

Here, we are looking for P(1) with P defined as in b)

P(1)= \frac{2^1e^{-2}}{1!}=2e^{-2}=0.2706=27.06\%

Hence, the probability that at most one car has no flaws is 27.06%

6 0
3 years ago
Read 2 more answers
The difference of two numbers is 57. the larger number is three less than six times the smaller number. find the numbers.
Sauron [17]
The smaller number is twelve the larger number is 69
6 0
3 years ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
Nady [450]

Answer:

A) 2x³+11x²+8x-16

Step-by-step explanation:

When you multiply s(x) by t(x) you get something like this:

s(x) \times t(x) = (2 {x}^{2}  + 3x - 4) \times (x + 4) \\  = 2 {x}^{3}  + 3 {x}^{2}  - 4x + 8 {x}^{2}  + 12x - 16 \\  = 2 {x}^{3}  + 11 {x}^{2}  + 8x - 16

5 0
3 years ago
Read 2 more answers
A consumer magazine article titled "How Safe Is the Air in Airplanes" reports that the air quality, as quantified by the degree
OlgaM077 [116]

Answer:

Step-by-step explanation:

Given that a  consumer magazine article titled "How Safe Is the Air in Airplanes" reports that the air quality, as quantified by the degree of staleness, was measured on 175 domestic flights.

The purpose was to study about the safety of all flights as a whole.

Since all flights cannot be measured within a reasonable time, a sample of 175 domestic flights were taken.

a) The population of interest here would be the measure of safety of all the airplanes.

b) Sample is the 175 domestic flights selected

c) Characteristics of interest is the safety in travelling by air in Airplanes due to air quality.

8 0
3 years ago
Julian has partially filled the prism below with 16 unit cubes.
Gre4nikov [31]

He needs 20 more unit cubes to completely fill the prism

<h3>How to determine the number of unit cubes?</h3>

The dimension of the prism is given as;

4 by 3 by 3

The volume is calculated as:

Volume = 4 * 3 * 3

Volume = 36

He has already filled 16 units.

So, the units remaining is

Remaining = 36 - 16

Evaluate

Remaining = 20

Hence, he needs 20 more unit cubes to completely fill the prism

Read more about volumes at:

brainly.com/question/1972490

#SPJ1

3 0
2 years ago
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