Which hypothesis tell us weather test is one tail or 2 tail?

Which hypothesis tell us weather test is one tail or 2 tail?

کون سا مفروضہ ہمیں بتاتا ہے کہ ٹیسٹ ایک دم ہے یا 2 دم؟
Explanation
  • The alternate hypothesis is also known as the alternative hypothesis.
  • It determines whether a test is one-tailed or two-tailed.