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Homework answers / question archive / Section Exercise 618 1)Calculate each binomial probability: (a) X = 1, n = 8, = 0
Section Exercise 618
1)Calculate each binomial probability: 
(a) 
X = 1, n = 8, = 0.40 
(b) 
X = 3, n = 9, = 0.20 
(c) 
X = 2, n = 12, = 0.60 
Section Exercise 66
Pepsi and Mountain Dew products sponsored a contest giving away a Lamborghini sports car worth $215,000. The probability of winning from a single bottle purchase was .00000884. 
2. Find the expected value. 
Section Exercise 62
3. On hot, sunny, summer days, Jane rents inner tubes by the river that runs through her town. Based on her past experience, she has assigned the following probability distribution to the number of tubes she will rent on a randomly selected day. 






x 
25 
50 
75 
100 
Total 
P(x) 
.20 
.40 
.30 
.10 
1.00 

(a) 
Find the probability expressions. 
(b) 
Which of the probability expressions in parts (a)–(d) is a value of the CDF? 



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