. Problem 2.8 from the textbook On a given day, casting of concrete structural elements at a construction project depends on the availability of material. The required material may be produced at the job site or delivered from a premixed concrete supplier. However, it is not always certain that these sources of material will be available. Furthermore, whenever it rains at the site, casting cannot be performed. On a given day, define the following events: E₁= there will be no rain E₂= production of concrete material at job site is feasible E3= supply of premixed concrete is available The following are their probabilities that are known: P(E₁) = 0.8; P(E₂) = 0.7; P(E3) = 0.95; and P (E3|E₂) = = 0.6 E₂and Eĝare statistically independent of E₁. (a) Identify the following events in term of E₁, E2 and E3: A= casting of concrete elements can be performed on a given day. B= casting of concrete elements cannot be performed on a given day.

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is the attched question any of the following : 

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1. Problem 2.8 from the textbook
On a given day, casting of concrete structural elements at a construction project
depends on the availability of material. The required material may be produced at
the job site or delivered from a premixed concrete supplier. However, it is not
always certain that these sources of material will be available. Furthermore,
whenever it rains at the site, casting cannot be performed. On a given day, define
the following events:
E₁ there will be no rain
E2 production of concrete material at job site is feasible
E3= supply of premixed concrete is available
The following are their probabilities that are known:
P(E₁) = 0.8; P(E₂) = 0.7; P(E3) = 0.95; and P (E3|E₂) = 0.6
E2and E3 are statistically independent of E₁.
(a) Identify the following events in term of E₁, E2 and E3:
A= casting of concrete elements can be performed on a given day.
B= casting of concrete elements cannot be performed on a given day.
(b) Determine the probability of event B.
(c) If production of concrete material at the job site is not feasible, what is the
probability that casting of concrete elements can still be performed on a given
day?
Transcribed Image Text:1. Problem 2.8 from the textbook On a given day, casting of concrete structural elements at a construction project depends on the availability of material. The required material may be produced at the job site or delivered from a premixed concrete supplier. However, it is not always certain that these sources of material will be available. Furthermore, whenever it rains at the site, casting cannot be performed. On a given day, define the following events: E₁ there will be no rain E2 production of concrete material at job site is feasible E3= supply of premixed concrete is available The following are their probabilities that are known: P(E₁) = 0.8; P(E₂) = 0.7; P(E3) = 0.95; and P (E3|E₂) = 0.6 E2and E3 are statistically independent of E₁. (a) Identify the following events in term of E₁, E2 and E3: A= casting of concrete elements can be performed on a given day. B= casting of concrete elements cannot be performed on a given day. (b) Determine the probability of event B. (c) If production of concrete material at the job site is not feasible, what is the probability that casting of concrete elements can still be performed on a given day?
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