Posted by sky on Sunday, July 10, 2011 at 12:13pm.
An amusement park, Dino World, considering adding some new attractions, conducted a study over several typical days and found that, of 10,000 families entering the park, 1020 brought just one child (defined as younger than age 12), 3370 brought two children, 3510 brought three children, 1340 brought four children, 510 brought five children, 80 brought six children and 170 brought no children at all.
a) Find the expected number of children per family attending the park.

Math probabilty  Yuna, Wednesday, July 13, 2011 at 7:04pm
2.668
Answer This Question
Related Questions
 Math Statistics  An amusement park, Dino World, considering adding some new ...
 college maths  In amusement park considering adding some new attractions,...
 Algebra 2  Samantha is going on a vacation for the summer and is trying to ...
 math  Could someone please help me answer this question i am stuck! A Marketing...
 english  * I have a project to do for William Shakespeare, Were i have to make...
 9th grade  * I have a project to do for William Shakespeare, Were i have to ...
 word problem?  In a random survey, 8 out of 18 students Would rather go to an ...
 Physics  In a popular amusement park ride, a rotating cylinder of radius 3.0 m ...
 social studies  1) Which of these are best categorized as public goods and ...
 Math  The park had initially planned to charge $8 for admission and expected to...
More Related Questions