Suppose the government regulations stipulate that the minimum monthly wage is N$ 2 500. What percentage of employees at this company earn below the stipulated minimum wage? How many employees earn exactly N$ 3 000 per month? How many employees earn at least N$ 3 000 per month

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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QUESTION

The monthly income of employees in a small company is summarised in the frequency distribution below:

Monthly salary (N$)

Number of employees

[1500 – 1999]

15

[2000 – 2499]

10

[2500 – 2999]

20

[3000 – 3499]

4

[3500 – 3999]

1

REQUIRED TO:  

  1. Suppose the government regulations stipulate that the minimum monthly wage is N$ 2 500. What percentage of employees at this company earn below the stipulated minimum wage?
  2. How many employees earn exactly N$ 3 000 per month?
  3. How many employees earn at least N$ 3 000 per month?
  4. Calculate the following descriptive statistics for the random variable Monthly salary (N$):

i. Mean.

ii. Standard deviation.

iii. Most common value.

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