There are 21,000 students in a MOOC. Each student tests the fairness of a coin (yes, the same coin; the instructor somehow gets Tyche¢s help in getting the coin to each student in turn). Specifically, each student tests:

Question

Null: p is equal to 0.5 Alternative: p is not equal to 0.5

using the 5% cutoff.

Suppose that, unknown to the students, the coin is in fact fair.

Find the expected number of students whose test will conclude that the coin is unfair. [The is an integer)

Answer 1

ya i am working on it

Answer 2

try 1050 if I'm wrong say I do recalculations

Answer 3

Thank u - 1050 is the ryt ans