There are 9 children playing in a playground. in a game, they all have to stand in a line such that the youngest child is at the beginning of the line. how many ways can the children be arranged in the line?

a. 40,320
b. 362,880
c. 16,777,216
d. 387,420,489

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio

Given a binomial distribution variable with n=20 and p=0.60 find the following possibilities using the binomial table a) p(x < 13) b) p x > 15) c) p(x = 17) d) p(11 < x < 14) e) p(11 < x < 14)

Check image and write the letter of the answer