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KatRina [158]
2 years ago
9

16. x + 8

Mathematics
1 answer:
Studentka2010 [4]2 years ago
6 0

Step-by-step explanation:

Taking value of x= 4

16. 4 + 8 = <u>12</u>

17. 24 ÷ 4 = <u>6</u>

18. 3(4+4) = 3 × 8 = <u>24</u>

19. 5 × 4 = <u>20</u>

20. 30 - (5 × 4) = 30 - 20 = <u>10</u>

21.( 2 × 4 )+ 5 = 8 + 5 = <u>13</u>

22. 4 + 1 = <u>5</u>

23. 25 × 4 = <u>100</u>

24. 60 × 4 = <u>240</u>

25. (25×4) + 10 = 100 + 10 = <u>110</u>

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Step-by-step explanation:

<em>a. What is the probability that a new college graduate in business will earn a starting salary of at least $65,000?</em>

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To calculate the probability of earning at least $65,000, we can calculate the z-value:

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<em>b. What is the probability that a new college graduate in health sciences will earn a starting salary of at least $65,000?</em>

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For college graduates in health sciences, the salary distributes normally with mean salary of $51,541 and standard deviation of $11,000.

To calculate the probability of earning at least $65,000, we can calculate the z-value:

z=\frac{x-\mu}{\sigma} =\frac{65000-51541}{11000} =1.22

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<em>c. What is the probability that a new college graduate in health sciences will earn a starting salary less than $40,000?</em>

To calculate the probability of earning less than $40,000, we can calculate the z-value:

z=\frac{x-\mu}{\sigma} =\frac{40000-51541}{11000} =-1.05

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P(X

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<em>d. How much would a new college graduate in business have to earn in order to have a starting salary higher than 99% of all starting salaries of new college graduates in the health sciences?</em>

The z-value for the 1% higher salaries (P>0.99) is z=2.3265.

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A new college graduate in business have to earn at least $77,133 in order to have a starting salary higher than 99% of all starting salaries of new college graduates in the health sciences.

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