higher than standard delivery costs). Of the next day deliveries, only 1% arrive late. Of the same day deliveries, 2% arrive late. If a record of a parcel is selected randomly, what is the probability that it was a next day delivery and that it was delivered late?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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QUESTION 4
Takealot offers 3 types of deliveries: same day, next day and standard. 70% of deliveries are
standard, 20% next day and 10% same day. (Costs for same day deliveries are considerably
higher than standard delivery costs). Of the next day deliveries, only 1% arrive late. Of the same
day deliveries, 2% arrive late. If a record of a parcel is selected randomly, what is the probability
that it was a next day delivery and that it was delivered late?
Clearly define ALL events before attempting the answer.
Transcribed Image Text:QUESTION 4 Takealot offers 3 types of deliveries: same day, next day and standard. 70% of deliveries are standard, 20% next day and 10% same day. (Costs for same day deliveries are considerably higher than standard delivery costs). Of the next day deliveries, only 1% arrive late. Of the same day deliveries, 2% arrive late. If a record of a parcel is selected randomly, what is the probability that it was a next day delivery and that it was delivered late? Clearly define ALL events before attempting the answer.
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