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Nadusha1986 [10]
2 years ago
8

25 points and if possible brainiest if correct.

Mathematics
1 answer:
vampirchik [111]2 years ago
4 0

Answer:

7

Step-by-step explanation:

7

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A Geiger counter counts the number of alpha particles from radioactive material. Over a long period of tune, an average of 28 pa
patriot [66]

Answer:

<u><em>Part I</em></u>

p(x=1)=0.0000

p(x=2)=0.0000

<u><em>Part II</em></u>

p(x)=0.11

Step-by-step explanation:

For Poisson distribution:

p(X=x)=e^-m\frac{m^x}{x!}

Where m=mean, x=number of events

Given x=1, and mean,m=28

p(X=1)=\frac{e^{-28} *28^1}{1!}\\p(X=1)=0.0000

For x=2 and mean,m=28

p(X=2)=\frac{e^{-28} *28^2}{2!}\\p(X=2)=0.0000

For Uniform Distribution

Time interval 10 and 19 minutes is 9

Time interval between 15 and 16 minutes is 1

Therefore:-

p(x)=\frac{1}{9}\\p(x)=0.1111\\p(x)=0.11  \ (2d.p)

6 0
3 years ago
Canceling units is also called: a. changing the value c. multiplication b. unit analysis d. making connections
SOVA2 [1]

Canceling units is also called unit analysis.

This is also called dimensional analysis.

What is a unit of analysis in statistics?

  • The unit of analysis is the entity that you're analyzing. It's called this because it's your analysis (what you want to examine) that determines what this unit is, rather than the data itself.
  • Because it is the analysis you do in your study that determines what the unit is.
  • For instance, if you are comparing the children in two classrooms on achievement test scores, the unit is the individual child because you have a score for each child.

For example -

1 ft = 12 in

3 ft =  3 ft * \frac{12 in }{1 ft}

3 ft = ( 3 * 12 )  in ⇒ 36 in

Learn more about  unit analysis

brainly.com/question/15579410

#SPJ4

3 0
2 years ago
Find the perimeter and area , Please help me on this will give brainlist
Ronch [10]

Answer:

Area: x^2+x-6

Perimeter: 4x+2

Step-by-step explanation:

Area: multiply x+3 and x-2 and combine the like terms

Perimeter: multiply the length and width by two, then combine the like terms.

7 0
3 years ago
Which of the following is most likely the next step in the series?
Serggg [28]

Answer:

the answer is D

Step-by-step explanation:

the color changes aswell in the sequence

5 0
3 years ago
Read 2 more answers
1. Jill had the following scores on quizzes. 1 quiz: 1 3 quizzes: 2 4 quizzes: 3
Irina-Kira [14]
The mean score is 3.08.

There is 1 quiz with score 1, so 1 point; 3 quizzes with score 2 for 3*2 = 6 points; 4 quizzes with score 3 for 4*3 = 12 points; 4 quizzes with score 4 for 4*4 = 16 points; and 1 quiz with score 5 for 5 points.

This is a total of 1+6+12+16+5 = 40 points.

This is out of 1+3+4+4+1 = 13 quizzes.

40/13 = 3.08
7 0
3 years ago
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