The total number of people are .
Here and
.
Find mean .
.
Find standard deviation .
.
Find the probability that people fewer than plan to watch world cup.
The probability is .
Rewrite the problem with continuity factor included.
\.
Find the corresponding -value for
.
Find the area left side of .
Using -score table:
The area for is
.
The probability of fewer than people plan to watch the world cup
.
The probability of fewer than people plan to watch the world cup
.