Ryan goes to a library to check out an encyclopedia. he notices that the length of the book is bigger than he anticipated. he decides to find the length of the book with the of a ruler. which measure would be appropriate for the length of the book? a. inches b. inches c. inches d. inches

Inches  would be appropriate for the length of the book

amount of oatypop that contains the prize = 40%

amount   of oatypop which doesn't contain the prize = (100-40)=60%

probability that hannah will win a prize

    = s +f s +f f s+ff   f s+ff f f s+ infinity.where f= failure,s= success

=   or 60%

probability that hannah only has to buy 3 or less boxes before getting a prize= (s) and ( f s) and (ff s) and (f f f s)

        = = 87.04 %  

step-by-step explanation: