Burger Preferences

A 2010 Survey asked 516 Los Angeles residents, “What is the best hamburger place in Southern California? Five Guys Burgers? In-N-Out Burger? Fat Burger? Tommy’s Hamburgers? Umami Burger? Or somewhere else?”

The distribution of responses by gender is shown below.

	Male	Female	Total
Five Guys	8	10	18
In-N-Out Burger	155	187	342
Fat Burger	13	11	24
Tommy’s Hamburgers	29	29	58
Umami Burger	7	3	10
Other	26	22	48
Not Sure	12	4	16
Total	250	266	516

Part 1

Are being female and liking Five Guys Burgers mutually exclusive?

Answer Section

• Yes

• No

Part 2

What is the probability that a randomly chosen male likes In-N-Out the best? Please enter a numeric value between 0 and 1, keeping two significant figures (e.g. 0.57).

Part 3

What is the probability that a randomly chosen female likes In-N-Out the best? Please enter a numeric value between 0 and 1, keeping two significant figures (e.g. 0.57).

Part 4

What is the probability that a man and a woman who are dating both like In-N-Out the best? Note any assumption you make. Please enter a numeric value between 0 and 1, keeping two significant figures (e.g. 0.57).

Part 5

What is the probability that a randomly chosen person likes Umami best or that person is female? Please enter a numeric value between 0 and 1, keeping two significant figures (e.g. 0.57).

Attribution

Problem is from the OpenIntro Statistics textbook, licensed under the CC-BY 4.0 license.