Q1_

Q1:

Q2: Mean = 1.9 SD= 0.15

Z= x-/ ….

P(1.82-1.9/0.15<Z<1.92-1.9/0.15) = P( -0.53<Z<0.13) (see last Lec.) Then find the prob. from Z-table .

Q3:

Q4:

Q5:

ii.

iii.

Q6:

Q7:

Q8: