QUESTION 4 [21] The time it takes to travel between two cities by car is distributed normally with a mean journey time o

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QUESTION 4 [21] The time it takes to travel between two cities by car is distributed normally with a mean journey time o

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Question 4 21 The Time It Takes To Travel Between Two Cities By Car Is Distributed Normally With A Mean Journey Time O 1
Question 4 21 The Time It Takes To Travel Between Two Cities By Car Is Distributed Normally With A Mean Journey Time O 1 (70.22 KiB) Viewed 30 times
QUESTION 4 [21] The time it takes to travel between two cities by car is distributed normally with a mean journey time of 175 minutes and a standard deviation of 6 minutes. a 4.1 What is the probability that a given journey between the two cities will take more than 160 minutes? [4] 4.2 What percentage of journeys will take between 175 and 180 minutes to be completed? [5] 4.3 What is the probability that a given journey will take less than 158 minutes? [6] 4.4 What is the minimum time it will take 15% of the journeys that take the longest to make? [6]
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