B on average it takes 18 beers to increase blood

B. on average it takes 1.8 beers to increase blood alcohol content by 1%
C. each beer consumed increases blood alcohol by an average of amount of 1.8%
D. each beer consumed increases blood alcohol by exactly 0.018
Q.17 Assume we have equally invested in two different companies: ABC and XYZ. The
proportion of investment in ABC is 30 percent and the remaining is invested in XYZ. The
expected return from ABC and XYZ is 60 and 85 respectively. The expected risk from ABC and
XYZ is 45.30 and 196.21 respectively. Covariance is 8690. Find the Portfolio expected return,
E(P) and Portfolio Risk, σ(P).
A) E(P) = 77.35 and σ(P) = 133.36
B) E(P) = 77.50 and σ(P) = 150.66
C) E(P) = 77.35 and σ(P) = 145.89
D) E(P) = 77.50 and σ(P) = 161.56
E) E(P) = 77.25 and σ(P) = 136.78
Q.18 From a population of 540, a sample of 60 individuals is taken. From this sample , the mean
is found to be 6.2 and the standard deviation 1.368. Find the estimated standard error of mean.
Use Z = 2.06.
Q.19 If V(X) = 14 and V(Y) = 18 and Cov( X, Y ) = 8 and Z = 7X + 4Y. Find V(Z+9).

B) 2144
C) 1503
D) 1431
E) 1422
Q.20 A coin is tossed 10 times , find the probability of getting at most three heads.
Q.21 Regression analysis was extended to all the divisions of a large multinational
organisation between $ revenue (y) and $ ads (x). It obtained the following regression
function.
= 5000 + 7.25x
If the advertising budgets of two branches of the corporation differ by $30,000, then what
will be the predicted difference in their sales?
Ӯ
A) $217,500
B) $222,500
C) $5000
D) $7.25
Q.22 What is the smallest number of death certificates, we must randomly sample to
estimate the proportion of population that dies of cancer, if we want the estimate to be
correct to within 0.04 with 95% confidence. Take Z = 1.96.
Q.23 Assume that you are given two lists:
a = [1,2,3]
b = [4,5,6]

Your task is to create a list which contains all the elements of a and b in a single dimension.
Output:
a = [1,2,3,4,5,6]
Which of the following functions will you use?
Q.24 L = [23,-4,0,73.-10,13]
n =5
def SearchMinFromList(L,n):
value = L[0]
idx =1
while idx <= n:
v = L[idx]
if(v<value):
value = v
return value
print(SearchMinFromList(L,n))
What will be the output of the following python code?