What label should you put on the mark between -2 and -3?
1 answer:
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Answer:
a)
the probability that Fischer wins the match is 0.5714
b)
p( D = d ) = {
, d = 1, 2, 3, ........
otherwise
Step-by-step explanation:
Given that;
probability that Fischer wins the match, p = 4
probability that Spassky wins the match, q = 0.3
Match drawn, 1 - p - q = 1 - 0.4 - 0.3 = 0.7
(a) What is the probability that Fischer wins the match?
P( Fischer wins) = p/( p+q)
we substitute
P( Fischer wins) = 0.4 / ( 0.4 + 0.3)
P( Fischer wins) = 0.4 / 0.7
P( Fischer wins) = 0.5714
Therefore, the probability that Fischer wins the match is 0.5714
b) What is the PMF of the duration of the match?
let D represent the duration of the match
since the duration D of the match is a geometric random variable with parameter p + q,
the PMF will be;
p( D = d ) = ( p + q )
= ( 0.4 + 0.3 )
p( D = d ) = ( 0.7)
that is, p( D = d ) = {
, d = 1, 2, 3, ........
otherwise
Answer:
Step-by-step explanation:
From AAA, both triangles in this figure are similar. Therefore, we can set up the following proportion:
or
.
Cross-multiplying, we get:
.