Q7. For each of the following Normal models, find the value of the missing population parameter. a) For a Normal model with u = 125 and 5% of the values are above 130, find 0. b) For a Normal model with u = 0.4 and 12% of the values are below 0.25, find 0. Q9. For a Normal model with o = 0.30 and 80% of the values are above 10, find u. Q10. For a Normal model with o = 220 and 5% of the values are below 202, find u