Math probabilty

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.

  1. 👍 0
  2. 👎 0
  3. 👁 90
asked by sky
  1. 2.668

    1. 👍 0
    2. 👎 0
    posted by Yuna

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math Statistics

    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

    asked by Ray West on November 13, 2013
  2. college maths

    In amusement park considering adding some new attractions,conducted a study over several typical days and found that ,of 10,000 families entering the park ,1024 brought just one child (define as younger than age 12),3370 brought

    asked by adiba on August 28, 2012
  3. 7th Scholastic Math

    I don't know how to answer this question. If you could provide me an explanation or an answer that would be much appreciated by me. Thank you tutors. Hope I provided enough information for the question. The following

    asked by anon on December 2, 2015
  4. Algebra 2

    Samantha is going on a vacation for the summer and is trying to choose between two different plans. The first plan costs 450$ for 3 days at a hotel and 2 days at an amusement park. The second plan offers 5 days at the same hotel

    asked by Dr. David on March 29, 2012
  5. math

    Could someone please help me answer this question i am stuck! A Marketing company provides the following formulas to the owner of an amusement park to help him make decisions about the park. -The number , N, of people who attend

    asked by angelina on July 24, 2016
  6. Physics

    In a popular amusement park ride, a rotating cylinder of radius 3.0 m is set in rotation at an angular speed of 0.80 revolutions per second. The floor then drops away, leaving the riders suspended against the wall in a vertical

    asked by harrison on October 20, 2011
  7. word problem?

    In a random survey, 8 out of 18 students Would rather go to an amusement park than to the zoo. In a group of 225 students, how many students can you expect to prefer the amusement park?

    asked by nonononono on June 3, 2014
  8. english

    * I have a project to do for William Shakespeare, Were i have to make some sort of amusement park and i need help thinking of what rides i should put in my amusement park but those rides have to relate to Shakespeare in someway.

    asked by Shaz on April 22, 2009
  9. 9th grade

    * I have a project to do for William Shakespeare, Were i have to make some sort of amusement park and i need help thinking of what rides i should put in my amusement park but those rides have to relate to Shakespeare in someway.

    asked by Shaz on April 22, 2009
  10. Math

    The weather forecast predicts a 60% chance of rain. However, if it does not rain, the Hershey family has a 90% chance of going to an amusement park. What is the probability of going to the amusement park?

    asked by anonymous on November 20, 2018

More Similar Questions