The following dot plot represents a random sample of elementary students and the number of children that live in their home. If
this random sample is representative of elementary students in the United States, which of the following inferences can be made from the data? Select all that apply. The majority of the households in the United States, with at least one child, contain less than three children. Very few households in the United States contain four or more children. All households in the United States contain at least one child. None of the households in the United States contain five children.
2 answers:
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Answer:
The percentage is
Step-by-step explanation:
From the question we are told that
The population mean is
The standard deviation is
The percent of people who write this exam obtain scores between 350 and 650
Generally
From the z-table
and
=>
=>
Therefore the percentage is