Question

to continue to have children until they have one of each gender, what would the average umber of children be? Assume that boys and gitls are equally likely. Let the digits 0 to 4 represent a male child and the digits 5 to 9 represent a temale child Twenty riats were randomly generated. Use each of the numbers as a separate trial my and John want to have both a male and a female child If they decide 26 26 338 o 690 73 51 72 419 54 70 73 70 84 247 38 670 80 28 6684 What is the average number of children Amy and John must have?

Answer 1

The average number of children for amy and John is 2.35

x epretent umber ot chidven Cmale th each tat ftrst trat) 69) 6 and 9 female and 1 0 male Amy S John have 2 ch dren from ra) gtmtlonly from Semathfng tras -the ootable x Can be uor 2 so mean do 20 Average .35