Answer:
help with what?
you don't have a question.
Step-by-step explanation:
Answer:
116 students
Step-by-step explanation:
The standard deviation for a proportion is:

For any measured sample proportion x, the z score is given by:

The population proportion is 0.53
At the 14th percentile, the corresponding z-score is z =-1.08.
Since 0.48 is at the 14th percentile, the standard deviation is:

Therefore, the sample size 'n' is given by:

The sample size must have been of 116 students.
Answer:
1. keep counting
2. He can do 5 times 3 to get to the 15th shape and then say 2 more to get the 17th shape.
(The 17th shape would be triangle)