A Fellowes survey of 2300people who file tax returns showed that 48% of them file through an accountant or other tax professional. Test the claim that among whose who file tax returns, half of them...

A Fellowes survey of 2300people who file tax returns showed that 48% of them file through an accountant or other tax professional. Test the claim that among whose who file tax returns, half of them file through an accountant or other tax professional.

a) Find the null hypothesis and alternate hypothesis.

b) is it a left tailed test or right tailed test or two tailed test