The Jones family was one of the first to come to the U. S. They had 9 children. Assuming that the probability of a child being a girl is .5, find the probability that the Jones family had: a. at least 4 girls?
b. at most 8 girls

Me on this online 24 game! you have to add, subtract, multiply, or divide any of these to equal !

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items