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Suppose that in a certain population of married couples, 30% of the husbands smoke, 20% of the wives smoke, and in 8% of the couples both the husband and the wife smoke. Is the smoking status (smoker or
asked
Mar 16, 2020
Mathematics
high-school
1
answer
0
votes
108k
views
A circular skating rink has an area of about 417 square feet. The town recreation committee wants to make the rink three times as large. If the committee decides to triple the radius, what is the approximate
asked
Mar 9, 2020
Mathematics
high-school
1
answer
4
votes
124k
views
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