There are two ways for a concrete truck to go from a ready-mixed concrete plant to...

There are two ways for a concrete truck to go from a ready-mixed concrete plant to the construction site. The first way is direct, for which the mean and standard deviation of travel time are 30 min and 5 min, respectively. The second way is through Town A. The mean and standard deviation of travel time between the plant and Town A are 14 min and 5 min, respectively. The mean and standard deviation of travel time between Town A and the construction site are 14 min and 6 min, respectively. If the total travel time is above 45 min, the concrete in the truck will go bad. Calculate the probability that the concrete goes bad for both cases of choosing direct and indirect ways. Assume travel time has a normal distribution.

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orchestra answered 1 year ago

There are two ways for a concrete truck to go from a ready-mixed concrete plant to...

There are two ways for a concrete truck to go from a ready-mixed concrete plant to the construction site. The first way is direct, for which the mean and standard deviation of travel time are 30 min and 5 min, respectively. The second way is through Town A. The mean and standard deviation of travel time between the plant and Town A are 14 min and 5 min, respectively. The mean and standard deviation of travel time between Town A...

There are two ways for a concrete truck to go from a ready-mixed concrete plant to...

There are two ways for a concrete truck to go from a ready-mixed concrete plant to the construction site. The first way is direct, for which the mean and standard deviation of travel time are 30 min and 5 min, respectively. The second way is through Town A. The mean and standard deviation of travel time between the plant and Town A are 14 min and 5 min, respectively. The mean and standard deviation of travel time between Town A...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for concrete every year. The maximum number of orders that the plant can fulfill each week is 2. (a) What is the probability that in a given week the plant cannot fulfill all the placed orders? (b) Assume the answer to part (a) is 20% (It is not; I just want to make sure that everybody uses the same number for part (b)). Suppose there...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for concrete every year. The maximum number of orders that the plant can fulfil each week is 2. (a) What is the probability that in a given week the plant cannot fulfil all the placed orders? (b) Assume the answer to part (a) is 20% (It is not; I just want to make sure that everybody uses the same number for part (b)). Suppose there...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for concrete every year. The maximum number of orders that the plant can fullfil each week is 2. (a) What is the probability that in a given week the plant cannot fulfil all the placed orders? (b) Assume the answer to part (a) is 20% (It is not; I just want to make sure that everybody uses the same number for part (b)). Suppose there...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for concrete every year. The maximum number of orders that the plant can fulfil each week is 2. (a) What is the probability that in a given week the plant cannot fulfil all the placed orders? (b) Assume the answer to part (a) is 20% (It is not; I just want to make sure that everybody uses the same number for part (b)). Suppose there...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for concrete every year. The maximum number of orders that the plant can fulfil each week is 2. (a) What is the probability that in a given week the plant cannot fulfil all the placed orders? (b) Assume the answer to part (a) is 20% (It is not; I just want to make sure that everybody uses the same number for part (b)). Suppose there...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for concrete every year. The maximum number of orders that the plant can fulfill each week is 2. (a) What is the probability that in a given week the plant cannot fulfill all the placed orders? (b)Assume the answer to part (a) is 20% (It is not; I just want to make sure that everybody uses the same number for part (b)). Suppose there are...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for concrete every year. The maximum number of orders that the plant can fulfill each week is 2. (a) What is the probability that in a given week the plant cannot fulfill all the placed orders? (b) Assume the answer to part (a) is 20%. Suppose there are 5 of such plants. What is the probability that in a given week 2 of the plants...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for concrete every year. The maximum number of orders that the plant can fulfil each week is 2. (a) What is the probability that in a given week the plant cannot fulfil all the placed orders? (b) Assume the answer to part (a) is 20% (It is not; I just want to make sure that everybody uses the same number for part (b)). Suppose there...

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There are two ways for a concrete truck to go from a ready-mixed concrete plant to...

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There are two ways for a concrete truck to go from a ready-mixed concrete plant to...

There are two ways for a concrete truck to go from a ready-mixed concrete plant to...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...

Data from the past shows that on average, a ready-mixed concrete plant receives 100 orders for...