Ans 24:
N
Vp
n
1
E 2 E1
(1 i ) n
N
C
(1 i )
n
1
n
Z
a) Age: Migration studies consistently find that age is a major factor determining the probability
of migration. All else being equal, the older that a person is, the less likely he or she is to
migra

1
Coin Toss: what is the probability of getting 'head' when you toss a coin 10 times
2
Data collected on machine breakdowns for 80 machines:
Number of
breakdowns
per week
0
1
2
3
4 or more
Total
# of head Probability
Cumulative Probability
x
P(x)
0 0.0009

Confidence intervals for means. Sample sizes
1
A real estate company appraised the market value of 49 homes in a district of San Francisco,
and found that their average value was $250,000 with the standard deviation of $23,000.
a
What is the expected valu

1 A pharmaceutical manufacturer is concerned about the impurity concentration in pills, and it is anxious that this concentration does
It is known htat from a particular production run, impurity concentrations follow a normal distribution with standard de