Probability

PROBABILITY 4

#21

Thesepeople can arrive at the place through 720 ways

that jean arrives first and keith last 4! = 24 ways

P(J first, Keith last)24/720

=1/30

#22

Thgereare 11 candies in total

of choosing 2 cherry, 1 lemon = 6/11 * 5/10 * 2/9 =60/9900

=1/165

#23

( 7 or more are physics majors) = 0.0185

#24

xP0 .41 .532 .07 x P0 .3331.3332 .333 x P0 .7191 .2802 .001 x P0 .071 .532 .4

#25

25000* 0.7 + (-2000 * 0.3)

=16,900

Refences

Lial,M. L., Greenwell, R. N., &amp Ritchey, N. P. (2012). Finitemathematics (10th ed.). Boston, MA: Pearson Education.