Tanya has several different ways she likes to walk home. one route takes 20 minutes, two of the routes take 30 minutes, and two take 40 minutes.

tanya randomly chooses a route to walk home.

what is the probability, to the nearest percent, that it will take her 30 min to walk home?

a. 20%

b. 33%

c. 40%

d. 67%

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)