pls it is for edgunity! Over the past year, Becky has enjoyed 7 of the 9 movies recommended by her local newspaper. She wants to design a spinner she can use to simulate this situation and predict the probability that she will enjoy each of the next 5 movies the paper recommends.
How should Becky divide her spinner to best simulate this situation?
A. 2 equal-sized sections
B. 5 equal-sized sections
C. 7 equal-sized sections
D. 9 equal-sized sections
Answers
Answer:
D. 9 equal-sized section
Given : Over the past year, Becky has enjoyed 7 of the 9 movies recommended by her local newspaper.
She wants to design a spinner she can use to simulate this situation and predict the probability that she will enjoy each of the next 5 movies the paper recommends.
To Find :
How should Becky divide her spinner to best simulate this situation?
A. 2 equal-sized sections
B. 5 equal-sized sections
C. 7 equal-sized sections
D. 9 equal-sized sections
Solution:
Becky has enjoyed 7 of the 9 movies recommended by her local newspaper.
Probability to enjoy a movie = 7/9
7 and 9 are co prime
Hence Becky divide her spinner to 9 equal-sized divisions.
where 7 Divisions - Enjoy movies
2 divisions - not enjoy movies
Becky divide her spinner 9 equal-sized sections to best simulate this situation
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