A random sample of 200 Uber riders was taken. The table below shows the Uber type availed and the number of rides in a month.

Question

Uber type: Number of rides in a month

-Uber Taxi = 25 (Less than 6) 50 (between 7-12) 15 (More than 12) 90 (total)

-Uber Share = 18 (Less than 6) 38 (between 7-12) 10 (More than 12) 66 (total)

-Uber Car = 12 (Less than 6) 17 (between 7-12) 15 (More than 12) 44 (total)

-Total= 55 (Less than 6) 105 (between 7-12) 40 (More than 12) 200 (total)

If a passenger is selected at random, what is the probability that:

a. the passenger is a Uber car rider?

b. the passenger avails of Uber less than 6 times a month?

c. the passenger is Uber taxi rider 7 to 12 times in a month?

d. the passenger is a Uber share rider OR avails of Uber more than 12 times in a month?

e. the passenger avails of Uber less than 6 times a month AND more than 12 times a month?

f. the passenger is a Uber car rides GIVEN THAT he/she avails of Uber less than 6 times a month?

g. the passenger avails of Uber 7 to 12 times a month GIVEN THAT he/she is Uber taxi rider?

Answer 1

Hi,

	Less than 6	Between 7-12	More than 12	total
Uber taxi	25	50	15	90
Uber share	18	38	10	66
Uber car	12	17	15	44
	55	105	40	200

by using this table you can answer all question

a) 44/ 200

b) 55/200

c) 50/90

d) 66 + 15 + 15 + 40 = 136 p = 136/200

e) zero

f) 12/55

g) 50 / 105

if you have answer key please check all answers then let me know if they are different.

I hope it is useful,

Minoo