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hat number of children occurred the least frequently? calculate this percent. 2, 44.8% 2, 55.2% 0, 20% 5 or more, 4.72% 5 or more, 11.91%

Sagot :

Only (B) 4.72% of the couples polled have 5 or more children.

What do we mean by random sample?

  • A simple random sample (or SRS) in statistics is a subset of individuals (a sample) chosen at random from a larger set (a population) with the same probability.
  • It is the process of selecting a sample at random.
  • In SRS, each subset of k people has the same chance of being chosen for the sample as any other subset of k people.
    A simple random sample is an unbiased sampling technique.
  • Simple random sampling is a fundamental type of sampling that can be used to supplement more complex sampling methods.

To find what number of children occurred the least frequently:

  • We know that a total of 1250 couples were polled.
  • Determine the lowest frequency and divide it by the total number of couples surveyed.
  • The lowest frequency corresponds to 5 or more children.

The percentage is as follows:

  • 50/1250 × 100 = 4.72

Therefore, only (B) 4.72% of the couples polled have 5 or more children.

Know more about random samples here:

https://brainly.com/question/24466382

#SPJ4

The complete question is given below;
A random sample of 1,250 couples was asked the question, "How many children presently reside in your household?"

Number of Children—Frequency

0——250

1——-112

2——560

3 ——201

5 or more ——59

What number of children occurred the least frequently? Calculate this percent

A) 2, 55.2%

B)5 or more, 4.72%

C)5 or more, 11.91%

D)4.21.67%

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