SOLUTION: A sample of 2000 licensed drivers revealed the following number of speeding violations: Number of violations Number of drivers 0 1,910 1 46 2 18 3

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Question 613189: A sample of 2000 licensed drivers revealed the following number of speeding violations:

Number of violations
Number of drivers

0
1,910

1
46

2
18

3
12

4
9

5 or more
5

TOTAL
2000


What is the probability that a particular driver had exactly two speeding violations?
a. 12%
b. 18%
c. .009
d. None of the above


7. Referring to the problem above (#6), what concept of probability does this illustrate?
a. Classical
b. Subjective
c. Empirical
d. None of the above


8. A large company that must hire a new CEO prepares a final list of five candidates, all of whom are qualified. Two of these candidates are members of a minority group. To avoid bias in the selection of the candidate, the company decides to select the CEO by lottery. What is the probability that one of the minority candidates is hired?
a. .20
b. .05
c. .40
d. None of the above


9. Referring to the problem above (#8), which concept of probability did you use to make this estimate?
a. Classical
b. Subjective
c. Empirical
d. None of the above


10. The mean starting salary for graduates in the spring of 2004 was $36,280. Assume that the distribution of starting salaries follows the normal distribution with a standard deviation of $3,300. What percent of the graduates have starting salaries between $35,000 and $40,000?
a. .5225
b. .0041
c. .1251
d. None of the above



A sample of 2000 licensed drivers revealed the following number of speeding violations:

Number of violations
Number of drivers

0
1,910

1
46

2
18

3
12

4
9

5 or more
5

TOTAL
2000


What is the probability that a particular driver had exactly two speeding violations?
a. 12%
b. 18%
c. .009
d. None of the above


7. Referring to the problem above (#6), what concept of probability does this illustrate?
a. Classical
b. Subjective
c. Empirical
d. None of the above


8. A large company that must hire a new CEO prepares a final list of five candidates, all of whom are qualified. Two of these candidates are members of a minority group. To avoid bias in the selection of the candidate, the company decides to select the CEO by lottery. What is the probability that one of the minority candidates is hired?
a. .20
b. .05
c. .40
d. None of the above


9. Referring to the problem above (#8), which concept of probability did you use to make this estimate?
a. Classical
b. Subjective
c. Empirical
d. None of the above


10. The mean starting salary for graduates in the spring of 2004 was $36,280. Assume that the distribution of starting salaries follows the normal distribution with a standard deviation of $3,300. What percent of the graduates have starting salaries between $35,000 and $40,000?
a. .5225
b. .0041
c. .1251
d. None of the above



A sample of 2000 licensed drivers revealed the following number of speeding violations:

Number of violations
Number of drivers

0
1,910

1
46

2
18

3
12

4
9

5 or more
5

TOTAL
2000


What is the probability that a particular driver had exactly two speeding violations?
a. 12%
b. 18%
c. .009
d. None of the above


7. Referring to the problem above (#6), what concept of probability does this illustrate?
a. Classical
b. Subjective
c. Empirical
d. None of the above


8. A large company that must hire a new CEO prepares a final list of five candidates, all of whom are qualified. Two of these candidates are members of a minority group. To avoid bias in the selection of the candidate, the company decides to select the CEO by lottery. What is the probability that one of the minority candidates is hired?
a. .20
b. .05
c. .40
d. None of the above


9. Referring to the problem above (#8), which concept of probability did you use to make this estimate?
a. Classical
b. Subjective
c. Empirical
d. None of the above


10. The mean starting salary for graduates in the spring of 2004 was $36,280. Assume that the distribution of starting salaries follows the normal distribution with a standard deviation of $3,300. What percent of the graduates have starting salaries between $35,000 and $40,000?
a. .5225
b. .0041
c. .1251
d. None of the above




Answer by MDes(1)   (Show Source): You can put this solution on YOUR website!
Solved by pluggable solver: EXPLAIN simplification of an expression
Your Result:


YOUR ANSWER


  • This is an equation! Solutions: x=2.
  • Graphical form: Equation was fully solved.
  • Text form: x+x-x+2x=6 simplifies to 0=0
  • Cartoon (animation) form:
    For tutors: simplify_cartoon( x+x-x+2x=6 )
  • If you have a website, here's a link to this solution.

DETAILED EXPLANATION

Look at .
Eliminated similar terms highlight_red%28+x+%29,highlight_red%28+x+%29,highlight_red%28+-x+%29,highlight_red%28+2%2Ax+%29 replacing them with highlight_green%28+%281%2B1-1%2B2%29%2Ax+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Remove unneeded parentheses around factor highlight_red%28+3+%29
It becomes .
Look at .
Moved these terms to the left highlight_green%28+-6+%29
It becomes .
Look at .
Solved linear equation highlight_red%28+3%2Ax-6=0+%29 equivalent to 3*x-6 =0
It becomes .
Result:
This is an equation! Solutions: x=2.

Universal Simplifier and Solver


Done!
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