Math 120, Assignment Three Probability Worksheet With Answers Page 3
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1
2
3
4
5{ggg, bgg, gbb}
{gbg, bgg, ggb}
{ggg}
{ggg, bbb}
{bbb}
(e) p(E)
3/8
(f) p(F)
1/2
(g) p(G)
1/8
(h) o(E) (Simplify the odds ratio.)
:
3
5
(i) o(F) (Simplify the odds ratio.)
:
1
1
(j) o(G) (Simplify the odds ratio.)
:
1
7
7.
0/2 pointsJModd6 3.3.03combo. [739669]
Determine whether E and F are mutually exclusive, if E is the event
"being
single", and F is the event
"being
married".
E and F are mutually exclusive
E and F are not mutually exclusive
One
be both single and married.
cannot
8.
0/2 pointsJModd6 3.3.46. [739698]
In this exercise, use the following information: A supermarket polled 1,000 customers regarding the size of their bill. The results are given
in the figure below. Use probability rules (when appropriate) to find the relative frequency with which a customer's bill is as stated.
Size of Bill
Number of Customers
below $20.00
207
$20.00-$39.99
111
$40.00-$59.99
184
$60.00-$79.99
177
$80.00-$99.99
199
$100.00 or above
122
(a) between $20.00 and $79.99.
59/125
(b) not between $20.00 and $79.99.
66/125
9.
0/1 pointsJModd6 3.4.01. [739688]
A group of 30 is selected at random. What is the probability that at least two of them will have the same birthday? (Round the answer to
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