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Description

class name ” Quantitative Reason Business”

i have attached the HW; it has 2 excel pages.

2 problems

please answer the questions

Army

Navy

Air Force

Marines

Total

Officers Enlisted

92456

332919

31931

264475

67480

220530

14227

218207

206094 1036131

Total

425375

296406

288010

232434

1242225

Round all probabilities to THREE decimal places.

1. What is the probability that an individual selected at random is an Officer?

2. What is the probability that an individual selected at random is a Marine?

3. What is the probability that an individual selected at random is Enlisted and in the Navy?

4. What is the probability that an individual selected at random is an Officer or the Army?

5. Given that a person is an Officer, what is the probabiulity they are in the Army?

6. Given a person is in the Air Force, whart is the proability they Enlisted?

7. What is the probability that an individual selected at random is in the Army or Marines?

8. Are there any “UNUSUAL” probabilities in the previous problems? Why?

POPULATION Data

77,3

87,8

87,9

88,0

88,7

89,3

89,9

90,3

90,5

91,1

91,4

91,6

91,6

91,7

91,7

91,7

91,8

92,0

92,4

92,4

92,6

92,6

92,7

92,8

92,8

92,9

93,1

93,3

93,6

93,9

94,5

95,1

95,2

95,5

96,7

97,4

115,1

Round all calculations to ONE decimal place.

Mean

Median

Mode

Mode(s)

Range

Standard Deviation

Variance

Five Numnber Summary

Minimum

Q1 ( use EXC)

Median

Q3 (use EXC)

Maximum

IQR

Fences

Lower

Upper

List any Outlier(s)

Empirical Rule

Mean – 3 SD

Mean – 2 SD

Mean – 1 SD

Mean

Mean + 1 SD

Mean + 2 SD

Mean + 3 SD

Use the Empirical Rule to answer the following. Round to nearest hundredth of a

percent.

What percentage of data lie in the following regions?

1. Lie between 87.4 and 102.4:

2. Greater than 97.4:

2. Greater than 97.4:

3. Less than 82.4:

4. Greater than 107.4:

t hundredth of a

Boxplot

Extend graph vertically as far as necessary to read the data labels.

The quartiles should agree with those computed in the Five

Number Summary.

the data labels.

Five

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