A radar unit is used to measure speeds of cars on a motorway. The speeds are normally distributed with a mean of 88 kn/hr and a standard deviation of 10 km/hr. What is the probability that a car picked at random is travelling at least 80.8 km/hr? O 0.7642 O 5478

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A radar unit is used to measure speeds of cars on a motorway. The speeds are normally
distributed with a mean of 88 km/hr and a standard deviation of 10 km/hr. What is the
probability that a car picked at random is travelling at least 80.8 km/hr?
0.7642
0.5478
0.9357
None of these
O O
Transcribed Image Text:A radar unit is used to measure speeds of cars on a motorway. The speeds are normally distributed with a mean of 88 km/hr and a standard deviation of 10 km/hr. What is the probability that a car picked at random is travelling at least 80.8 km/hr? 0.7642 0.5478 0.9357 None of these O O
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