Question

Suppose there is a 12% chance that any Wonka bar has a golden ticket in it (and that there are at least 5000 tickets made) and that some person way wealthier than Charlie Bucket buys 5,000 Wonka chocolate bars with the hopes of winning a visit inside Wonka’s Chocolate Factory. (round to 4 decimal places when necessary)

1. (above)

2. What is the exact probability that more than 634 bars have a golden ticket?

3. What is the approximate probability that more than 634 bars have a golden ticket?

4. What is the approximate probability that between 570 and 620 of the bars have a golden ticket?

Answer 1