# On a road, you take a random sample of the speed of 40 cars with a speed detector and determine that their average speed is 49

4 answers

###### Question:

On a road, you take a random sample of the speed of 40 cars with a speed detector and determine that their average speed is 49 mph. Which statement is true? A) You conclude that the speed of all cars on this road is exactly 49 mph. B) You conclude that the average speed of all cars on this road is close to 49 mph. C) You conclude that the speed of more than half of the cars on this road is less than 49 mph. D) You conclude that the speed of less than half of the cars on this road is more than 49 mph. On a road, you take a random sample of the speed of 40 cars with a speed detector and determine that their average speed is 49 mph. Which statement is true? A) You conclude that the speed of all cars on this road is exactly 49 mph. B) You conclude that the average speed of all cars on this road is close to 49 mph. C) You conclude that the speed of more than half of the cars on this road is less than 49 mph. D) You conclude that the speed of less than half of the cars on this road is more than 49 mph.

## Answers

B) because since the 40 cars averaged 49 mph it means that, that is the number that most cars have around the same speed of

The answer is B) you conclude that the average speed of all cars on this road is close to 49mph

x= 149. 24+7=31. 180-31=149

your welcome

[tex]What is the value of x? enter your answer in the box. x =[/tex]the answer is 99.

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