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dybincka [34]
3 years ago
12

A manager associated each employee's name with a number on one ball in a container, then drew balls without looking to select a

sample of 555 employees. what type of sampling is this?
Mathematics
2 answers:
RUDIKE [14]3 years ago
7 0
Answer: This type of sampling is Simple Random Sampling
igor_vitrenko [27]3 years ago
6 0

Answer: Simple random sample

Step-by-step explanation:

  • A sample of a statistical population in which each participant of the sample has an equal probability of being chosen is called a simple random sample.

The given statement : A manager associated each employee's name with a number on one ball in a container, then drew balls without looking to select a sample of 555 employees.

Here the probability of each employee has equal chances of being selected.

Hence, this is a simple random sample.

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What is Y=2x+5 y=3x-1 system by substitution
Bad White [126]

Answer:

x=6 , y=17

Step-by-step explanation

3x-1=2x+5

    +1   -2x

x=6

plug in 6 for x to solve y



3 0
2 years ago
A six-sided number cube is rolled. Find the probability of rolling a 3 or a number greater than 4. A. 1/18 B. 1/6 C. 1/2 D. 2/3
ale4655 [162]
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3 0
3 years ago
An experiment consist of rolling Two fair number cubes. find the probability of each event.
slega [8]
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1 . . . 2
or
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5 0
3 years ago
Jack is mowing lawns he mows lawns at a constant rate of 1/3 acre every 3/4 hour at this rate which ffraction re;presents the ac
Tanzania [10]

Answer:

4/9

Step-by-step explanation:

Given rate is 1/3 acre per 3/4 hours.

To calculate the rate per hour, we have to divide total acres by the fraction of hour

=> \frac{\frac{1}{3} }{\frac{3}{4} }

=> \frac{4}{3*3}

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5 0
3 years ago
Please some help for question 1
o-na [289]

Answer:

f (3) is equal to 31

Step-by-step explanation:

f (3) means that x is equal to 3 [hence f (x) ---> f (3)]

Plugin 3 into all the x values to solve:

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30 + 1

31

f (3) is equal to 31

7 0
3 years ago
Read 2 more answers
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