Question

Really need help with this last part

Answer 1

0.64

Explanation:

If it is at least one day than it could be once or twice.

multiply to find the probabilities of each day with walking and then add them

WW= 0.6 x 0.1 = 0.06

WB= 0.6 x 0.9 = 0.54

BW= 0.4 x 0.1 = 0.04

Then add these together

=0.64