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algol13
3 years ago
13

University graduates have a mean job search time of 38.1 weeks, with a standard deviation of 10.1 weeks. The distribution of job

search times is not assumed to be symmetric. Between what two search times does Chebyshev's Theorem guarantee that we will find at least 89% of the graduates
Mathematics
1 answer:
Lera25 [3.4K]3 years ago
5 0

Answer:

7.1 weeks to 68.4 weeks

Step-by-step explanation:

Chebyshev's Theorem states that:

75% of the measures are within 2 standard deviations of the mean.

89% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 38.1

Standard deviation = 10.1

Between what two search times does Chebyshev's Theorem guarantee that we will find at least 89% of the graduates

Between 3 standard deviations of the mean.

So from 38.1 - 3*10.1 = 7.8 weeks to 38.1 + 3*10.1 = 68.4 weeks

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There are two thousand girls and one thousand boys at a university.For every girl with glasses there are two boys who were glass
e-lub [12.9K]

Answer:

200

Step-by-step explanation:

2000 girls :1000 boys

2000 +1000 =3000

20% of 3000 = 600

I girl : 2 boys

1+2=3

600÷3 = 200

200 boys wore glasses

4 0
3 years ago
State the horizontal asymptote of the rational function. <br><br> f(x) = 3x^2 -4x -3/ 2x^2 - 3x+2
irina1246 [14]

Answer:

Step-by-step explanation:

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3 0
3 years ago
What is the value of X.<br><br> Please help Im confused.
Nuetrik [128]
The angle of x is 71°
Because the triangle in isosceles the two bottom angles will have the same measure.
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3 0
3 years ago
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Triangle LMN is dilated by a scale factor of 2/3 to form triangle L’M’N. Side NL measures 48. What is the measure of side N’L’?
nignag [31]
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8 0
2 years ago
Two students from a group of eight boys and 12 girls are sent to represent the school in a parade.
Deffense [45]

<u>Answer</u>

c. 62/95


<u>Explanation</u>

Probability is the chance of an event happening.

Probability = (favorable outcome)/(total outcome)

P(girl) = 12/20 × 11/19

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P( not a girl) = 1 - 33/95

                     = 62/95

8 0
3 years ago
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