Question

In a large class of introductory Statistics​ students, the professor has each person toss a coin 2121 times and calculate the proportion of his or her tosses that were heads.

​a) Confirm that you can use a Normal model here.

The Independence Assumption▼a)is not b)is satisfied because the sample proportions ▼a) are not b)are independent of each other since one sample proportion ▼ a)does not affect b)can affect another sample proportion. The​ Success/Failure Condition ▼ a) is not b) is satisfied because np=____ and nq=____, which are both ▼a)greater than or equal to b)less than 10.

​(Type integers or decimals. Do not​ round.)

​b) Use the 68–95–99.7 Rule to describe the sampling distribution model.

About​ 68% of the students should have proportions between _____ and _____​, about​ 95% between ____ and ____, and about​ 99.7% between ___ and ____.​(Type integers or decimals rounded to four decimal places as needed. Use ascending​ order.)

Answer 1