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Tpy6a [65]
3 years ago
12

X^2-6x=6 solve by completing the square

Mathematics
1 answer:
Ivanshal [37]3 years ago
7 0
Hi!

The answer is x=3± \sqrt{15}
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What is the probability that more than twelve loads occur during a 4-year period? (Round your answer to three decimal places.)
Nataly_w [17]

Answer:

Given that an article suggests

that a Poisson process can be used to represent the occurrence of

structural loads over time. Suppose the mean time between occurrences of

loads is 0.4 year. a). How many loads can be expected to occur during a 4-year period? b). What is the probability that more than 11 loads occur during a

4-year period? c). How long must a time period be so that the probability of no loads

occurring during that period is at most 0.3?Part A:The number of loads that can be expected to occur during a 4-year period is given by:Part B:The expected value of the number of loads to occur during the 4-year period is 10 loads.This means that the mean is 10.The probability of a poisson distribution is given by where: k = 0, 1, 2, . . ., 11 and λ = 10.The probability that more than 11 loads occur during a

4-year period is given by:1 - [P(k = 0) + P(k = 1) + P(k = 2) + . . . + P(k = 11)]= 1 - [0.000045 + 0.000454 + 0.002270 + 0.007567 + 0.018917 + 0.037833 + 0.063055 + 0.090079 + 0.112599 + 0.125110+ 0.125110 + 0.113736]= 1 - 0.571665 = 0.428335 Therefore, the probability that more than eleven loads occur during a 4-year period is 0.4283Part C:The time period that must be so that the probability of no loads occurring during that period is at most 0.3 is obtained from the equation:Therefore, the time period that must be so that the probability of no loads

occurring during that period is at most 0.3 is given by: 3.3 years

Step-by-step explanation:

8 0
3 years ago
Find the area of parallelogram
Alika [10]

Answer:

45m

Step-by-step explanation:

9*5

5 0
2 years ago
Which is equal to -214°?
Neporo4naja [7]
Answer: -107pi/45 radians
5 0
2 years ago
Which of the following represents a function?
zhuklara [117]
The fourth one since it will pass the vertical test.
3 0
2 years ago
A grocery store manager received two shipments of oranges. According to the distributor of the oranges, the oranges in both ship
Volgvan
The answer is
 <span>The two shipments have the same range of weights but a different mean weight.
Hope i helped </span>
7 0
2 years ago
Read 2 more answers
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