The probability that a region prone to hurricanes will be hit by a hurricane in any single year is 0.1 and independent of other
years. What is the probability of a hurricane hit at least once in the next 5 years
1 answer:
Answer:
0.40951
Step-by-step explanation:
P(none in five years) = 1 - 0.1 = 0.9
P(at least one) = 1 - P(none in five years)
= 1 -
= 1 - 0.59049
= 0.40951
So the probability of a hurricane hit at least once in the next 5 years is 0.40951
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x = 3
Step-by-step explanation:
=> 4x-5x+9=5x-9
=> -x-5x = -9-9
=> -6x = -18
=> x = 18/6
=> x = 3
Answer:
Step-by-step explanation:
a - 2.5 = 4.5
2.5 = 2.5
a = 7.0 or 7
7.0 - 2.5 = 4.5
4.5 = 4.5
A + d = 7......a = 7 - d
5a + 8d = 44
5(7 - d) + 8d = 44
35 - 5d + 8d = 44
-5d + 8d = 44 - 35
3d = 9
d = 9/3
d = 3
a + d = 7
a + 3 = 7
a = 7 - 3
a = 4
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D