SOLUTION: 70% of people liked a hamburger. on a certain day 8 people bought it for the first time. What is the expected number of people who will like the hamburger ?

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Question 349555: 70% of people liked a hamburger. on a certain day 8 people bought it for the first time. What is the expected number of people who will like the hamburger ?
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
70% of 8 = .7 * 8 = 5.6

5.6 people will like the hamburger.

this means that the expectation is that 5 or 6 people will like the hamburger, with a slight edge given to 6 people liking it rather than 5.