Consider the following statements regarding appointment of Prime Minister:
1. The Constitution contains specific procedure for the selection and appointment of the Prime Minister.
2. When no party has a clear majority in the Lok Sabha, then the President may exercise his/her discretion in the selection and appointment of the Prime Minister.
3. The Constitution does not require that a person must prove his majority in the Lok Sabha before he/she is appointed as the Prime Minister.
How many statements given above are correct?