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meganwintergirl
23.05.2020 •
Mathematics
The Hiking Club plans to go camping in a State park where the probability of rain on any given day is 69%. What is the probability that it will rain on at most one of the six days they are there? Round your answer to the nearest thousandth.
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Ответ:
0.013
Step-by-step explanation:
Use binomial probability:
P = nCr pʳ (1−p)ⁿ⁻ʳ
where n is the number of trials,
r is the number of successes,
and p is the probability of success.
Given n = 6, p = 0.69, and r = 0 or 1:
P = ₆C₀ (0.69)⁰ (1−0.69)⁶⁻⁰ + ₆C₁ (0.69)¹ (1−0.69)⁶⁻¹
P = (1) (1) (0.31)⁶ + (6) (0.69) (0.31)⁵
P = 0.013
Ответ:
The PLUS Loan has a higher balance by $448.35...