Chapter – 14  18
Statistics I
Name__________________
MTH
116
Quiz #2 – Bonus Assignment
.
1) Suppose the probability someone has Type II diabetes that is over the age of 30 and is more than 20 lbs overweight
is 29%.
Also suppose we had 5 people randomly selected who meet these requirements (over 30 & more than 20lbs
overweight).
Let X = # of people with Type II diabetes from this group.
a) What is the distribution of X?
ANS____________________
b) List all possible outcomes of X and the associated probabilities of each outcome.
X______________________________________________
p
c) What is the probability that there is
at least one person
with Type II diabetes?
ANS____________________
d) Suppose a clinic can only test 5 people per hour.
Then what is the probability that there is
at least one person
with
Type II diabetes for 8 straight hours?
ANS____________________
e) If the medical costs of having Type II diabetes is $125 per week, then what would the
total averag
e cost be per
week if there were 120 people in this group?
ANS____________________
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 Fall '07
 Grady
 Statistics, Probability

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