1950 randomly selected adults were asked if they think they are financially better off than their parents. The following table gives the two-way class

Amari Flowers 2021-03-05 Answered
1950 randomly selected adults were asked if they think they are financially better off than their parents. The following table gives the two-way classification of the responses based on the education levels of the persons included in the survey and whether they are financially better off, the same as, or worse off than their parents
Less Than High SchoolHigh SchoolMore Than High SchoolBetter off140440430Same as60230110Worse off18028080
Suppose one adult is selected at random from these 1950 adults. Find the following probablity.
Round your answer to three decimal places.
P(more than high school or worse off)=?
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Expert Answer

Derrick
Answered 2021-03-06 Author has 94 answers
Step 1
the summarized table is as follows:
Less Than High SchoolHigh SchoolMore Than High SchoolTotalBetter off1404404301010Same as60230110400Worse off18028080540Total3809506201950
Step 2
The required probability is as follows:
P(more than high school)=P(More than high school)+P(Worse off)P(more than high school and worse off)
=6201950+5401950801950 =0.558
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