A 01291 b 01505 c 01719 d 01972 questions 32 35 are

a 0.1291
b 0.1505
c 0.1719
d 0.1972
product and plain aspirin, that is, 50% preferred aspirin and 50% preferred the
advertised product. What is the probability that a survey of ten randomly selected
physicians would find seven or more who preferred the advertised product?
Questions 32-35 are based on the following:
Seventy-five percent (75%) of vehicles on a freeway violate the speed limit.
You randomly clock n = 100 vehicles.
32 What is the probability that between 70 and 80 vehicles violate the speed limit?
33
In repeated experiment of clocking 100 vehicles what is the expected value of the number
of vehicles which violate the speed limit?
34
a
In the previous question, what is the standard deviation of the number of vehicles
violating the speed limit?
35
If the state police issued $180 speeding ticket to each speedster, what is the expected
value of the amount collected from speeding tickets?
a $13,500
b $12,750
c $12,250
d $11,200