15. Age discrimination: The following table presents the numbers of employees, by age group, who were promoted, or not promoted, in a sample drawn from a certain industry during the past year. Age Under 30 30–39 40-49 50 and Over Promoted 16 22 26 15 Not Promoted 38 39 45 38 Can conclude that the people in some age groups are more you likely to be promoted than those in other age groups? Use the a = 0.05 level of significance.

Q: Evaluate 4-3

A: For a negative exponent, we will use reciprocal first.

Q: Number 27

A:

Q: 25+2=

A: First we calculate 2^5.2^5= 2x2x2x2x2=32

Q: to olt -3

A:

Q: Number 43, please.

A: Given that  2+4+6---------+70  To fidn the sum

Q: 了告 da 33

A: see the image attached below

Q: Save dre invX+3

A:

Q: Number 28

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Q: 3 + 4 = jbygy

A: 3+4=7

Q: use two and three Points of Gaussian Guadrature xp = 1 %3D

A:

Q: 10 6. + 1 4

A: Follow the BODMAS rule while performing the operations. The BODMAS rule tells to perform the…

Q: Number 24, please.

A: detailed solution is given below

Q: 3と tz0 ナ2?

A: Given equation,     3t2-4t=0

Q: 22x - 9.2x = 8

A:

Q: 2 Ve4x -9 xps

A:

Q: Number 6

A: If the confidence interval contains the value 0, the null hypothesis is not rejected.  If the…

Q: Number 18

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Q: > 3 19

A:

Q: 3. J 2Vxdx

A: