Question

Usu u cununun UUTUULUH u usurive une region of the normal distribution that corresponds to the indicated probability The probability of fewer than 51 test kits The area to the left of 51.5 The area to the right of 50.5 The area to the left of 51 The area to the right of 51.5 The area to the left of 50.5

Answer 1

Let X be the test the ,

Here situation says that fewer than 51 test ( less tha 51 test) or we can say X < 51

Pobability ( X < 51 ) ( Pobability of fewer than 51 test ( less tha 51 test) )

Above expression shows the Area to the left of 51