asked 73.4k views
4 votes
HELLLLLLLPPPPPPPPPPPP PLEASEEEEEEEEEE.

Thirty students in an art class each receive an identical set of 20 markers. As part of a project, each student is asked to close their eyes and select from his or her set at random. You developed a model that predicts the probability of a student randomly picking a yellow marker is 0.1. Which result would most likely cast doubt on your model? (Hint: what is the theoretical probability of 30 students choosing a yellow marker each from a pack of 20 markers.)

10 student pick red markers.
10 student pick yellow markers.
2 student pick blue markers.
2 student pick yellow markers.
3 students pick yellow markers.
3 students pick green markers.

2 Answers

0 votes
Effort ahhhhhhhhhhhhhhhhhhhhhh
answered
User Takirala
by
8.2k points
4 votes

okay 1 student = 1/20 chance of picking yellow

1/20 (30/30) = 30/600 chance of picking yellow out of 30 studnets

30/600 = 0.05 = 5% chance of choosing yellow.

I each studnet picks 1 yellow marker. Is that all the options?

answered
User Tanveer Alam
by
7.7k points

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